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\"Location\"))), mdx(\"tbody\", {\n    parentName: \"table\"\n  }, mdx(\"tr\", {\n    parentName: \"tbody\"\n  }, mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"/reports/evergon-labs-onchain-data-containers-67586dec2e0f7500187d6bc9/appendix/finding-types#logical-fault\"\n  }, \"Logical Fault\")), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"img\", {\n    parentName: \"td\",\n    \"className\": \"o-severity o-minor\",\n    \"src\": \"https://omniscia.io/report-assets/minor.png\"\n  })), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"b\", null, \"OmnichainFungibleFractionsDO.sol\"), \":\", mdx(\"br\", null), \"\\u2022 \", mdx(\"span\", {\n    title: \"Instance 1\"\n  }, \"I-1:\"), \" \", mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": 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mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Description:\"), mdx(\"p\", null, \"The \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"IOmnichainFungibleFractionsOperations::omnichainIncreaseBalanceCallback\"), \" function selector as an operation will result in the \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://github.com/evergonlabs/ODC/blob/e712cb66013ac0ecf990a08d86e95fb7819e6afa/contracts/dataobjects/omnichain/OmnichainNonFungibleTokenDO.sol#L318-L326\"\n  }, mdx(\"inlineCode\", {\n    parentName: \"a\"\n  }, \"OmnichainNonFungibleTokenDO::_omnichainCallback\")), \" function being invoked which will attempt to decode a \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"bool\"), \" from the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"opData\"), \".\"), mdx(\"p\", null, \"As the data supplied is empty rather than \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"true\"), \", the decoding operation will fail causing a cross-chain LayerZero transaction that cannot be executed to manifest.\"), mdx(\"h3\", {\n    \"id\": \"impact\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#impact\",\n    \"aria-label\": \"impact permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": 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\"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Example:\"), mdx(\"pre\", null, mdx(\"code\", {\n    parentName: \"pre\",\n    \"className\": \"language-sol\",\n    \"metastring\": \"title=contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol highlight={11,19} lineNumbers=true lineOffset=317\",\n    \"title\": \"contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol\",\n    \"highlight\": \"{11,19}\",\n    \"lineNumbers\": \"true\",\n    \"lineOffset\": \"317\"\n  }, \"function _omnichainIncreaseBalance(\\n    DataPoint dp,\\n    bytes32 rid,\\n    OmnichainAddress from,\\n    OmnichainAddress to,\\n    uint256 id,\\n    uint256 value\\n) internal returns (bytes memory) {\\n    if (_successfullOmnichainRequests[rid]) {\\n        // Return data for callback call without any actions\\n        return abi.encode(dp, IOmnichainFungibleFractionsOperations.omnichainIncreaseBalanceCallback.selector, \\\"\\\");\\n    }\\n    _successfullOmnichainRequests[rid] = true;\\n\\n    // Now we can actually increase balance\\n    (, address toAddress) = OmnichainAddresses.decode(to);\\n    bytes32 diidTarget = _diid(dp, toAddress);\\n    DiidData storage diiddTarget = _diidData(dp, diidTarget);\\n    return _updateOmnichainBalancesOnTransfer(dp, from, toAddress, id, value, diidTarget, diiddTarget);\\n}\\n\")), mdx(\"h3\", {\n    \"id\": \"recommendation\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#recommendation\",\n    \"aria-label\": \"recommendation permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Recommendation:\"), mdx(\"p\", null, \"We advise the code to properly encode the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"true\"), \" status code so as to ensure that the callback is properly executed and acts as a \\\"no-op\\\" in case an omni-chain transfer was retried multiple times before it was successfully executed.\"), mdx(\"h3\", {\n    \"id\": \"alleviation-c6b23c23d8bcd8cce85049ad959cbd711a37126b\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#alleviation-c6b23c23d8bcd8cce85049ad959cbd711a37126b\",\n    \"aria-label\": \"alleviation c6b23c23d8bcd8cce85049ad959cbd711a37126b permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 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mdx(\"a\", {\n    parentName: \"h2\",\n    \"href\": \"#span-idoff-02moff-02m-breach-of-eip-1155-standardspan\",\n    \"aria-label\": \"span idoff 02moff 02m breach of eip 1155 standardspan permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), mdx(\"span\", {\n    id: \"OFF-02M\"\n  }, \"OFF-02M: Breach of EIP-1155 Standard\")), mdx(\"table\", null, mdx(\"thead\", {\n    parentName: \"table\"\n  }, mdx(\"tr\", {\n    parentName: \"thead\"\n  }, mdx(\"th\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, \"Type\"), mdx(\"th\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, \"Severity\"), mdx(\"th\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, \"Location\"))), mdx(\"tbody\", {\n    parentName: \"table\"\n  }, mdx(\"tr\", {\n    parentName: \"tbody\"\n  }, mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"/reports/evergon-labs-onchain-data-containers-67586dec2e0f7500187d6bc9/appendix/finding-types#standard-conformity\"\n  }, \"Standard Conformity\")), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"img\", {\n    parentName: \"td\",\n    \"className\": \"o-severity o-medium\",\n    \"src\": \"https://omniscia.io/report-assets/medium.png\"\n  })), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"https://github.com/evergonlabs/ODC/blob/e712cb66013ac0ecf990a08d86e95fb7819e6afa/contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol#L617-L628\"\n  }, \"OmnichainFungibleFractionsDO.sol:L617-L628\"))))), mdx(\"h3\", {\n    \"id\": \"description-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#description-1\",\n    \"aria-label\": \"description 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Description:\"), mdx(\"p\", null, \"Per the \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://eips.ethereum.org/EIPS/eip-1155\"\n  }, \"EIP-1155\"), \" standard, a mint operation is considered a specialized transfer operation that must still adhere to the \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://eips.ethereum.org/EIPS/eip-1155\"\n  }, \"EIP-1155\"), \" callback mechanism.\"), mdx(\"p\", null, \"A refund of an omni-chain transfer will not trigger this callback operation thereby breaching the standard.\"), mdx(\"h3\", {\n    \"id\": \"impact-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#impact-1\",\n    \"aria-label\": \"impact 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Impact:\"), mdx(\"p\", null, \"The \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://eips.ethereum.org/EIPS/eip-1155\"\n  }, \"EIP-1155\"), \" standard is presently not adhered to by the failed omni-chain transfer refund mechanism as it mints \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://eips.ethereum.org/EIPS/eip-1155\"\n  }, \"EIP-1155\"), \" assets without informing the recipient.\"), mdx(\"h3\", {\n    \"id\": \"example-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#example-1\",\n    \"aria-label\": \"example 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Example:\"), mdx(\"pre\", null, mdx(\"code\", {\n    parentName: \"pre\",\n    \"className\": \"language-sol\",\n    \"metastring\": \"title=contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol highlight={9} lineNumbers=true lineOffset=616\",\n    \"title\": \"contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol\",\n    \"highlight\": \"{9}\",\n    \"lineNumbers\": \"true\",\n    \"lineOffset\": \"616\"\n  }, \"function _refundOmnichainTransfer(DataPoint dp, bytes32 rid) private {\\n    PendingOmnichainTransfer memory pot = _pendingOmnichainTransfers[rid];\\n    (, address fromAddress) = OmnichainAddresses.decode(pot.from);\\n    bytes32 diidFrom = _diid(dp, fromAddress);\\n\\n    DiidData storage diiddFrom = _diidData(dp, diidFrom);\\n    uint256 length = pot.ids.length;\\n    for (uint256 i; i < length; i++) {\\n        _increaseBalance(diiddFrom, pot.ids[i], pot.values[i], dp, diidFrom);\\n    }\\n    emit OmnichainTransferRefund(rid, dp, fromAddress, pot.ids, pot.values);\\n}\\n\")), mdx(\"h3\", {\n    \"id\": \"recommendation-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#recommendation-1\",\n    \"aria-label\": \"recommendation 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Recommendation:\"), mdx(\"p\", null, \"We advise the standard to be adhered to as many smart contracts explicitly rely on \", mdx(\"a\", {\n    parentName: \"p\",\n    \"href\": \"https://eips.ethereum.org/EIPS/eip-1155\"\n  }, \"EIP-1155\"), \" callback hooks to track such transfers.\"), mdx(\"p\", null, \"To note, special precautions would need to be taken to ensure a re-entrancy cannot occur such as deleting the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"_pendingOmnichainTransfers\"), \" mapping prior to performing the refund.\"), mdx(\"h3\", {\n    \"id\": \"alleviation-c6b23c23d8\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#alleviation-c6b23c23d8\",\n    \"aria-label\": \"alleviation c6b23c23d8 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Alleviation (c6b23c23d8):\"), mdx(\"p\", null, \"The code was refactored to perform a chain of operations that ultimately result in the safe acceptance check being invoked after the balance changes have taken effect, alleviating the original exhibit.\"), mdx(\"p\", null, \"Our recommendation to delete the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"_pendingOmnichainTransfers\"), \" data entry prior to informing the recipient of the transfer was not heeded, permitting re-entrancy attacks to manifest via the relevant callback.\"), mdx(\"p\", null, \"We advise the relevant order of operations to be updated, preventing this misbehavior from manifesting.\"), mdx(\"h3\", {\n    \"id\": \"alleviation-18bd9a145a\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#alleviation-18bd9a145a\",\n    \"aria-label\": \"alleviation 18bd9a145a permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Alleviation (18bd9a145a):\"), mdx(\"p\", null, \"The code was updated per our recommendation, ensuring that the \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"_pendingOmnichainTransfers\"), \" data entry is deleted prior to processing the refund request and thus alleviating this exhibit in full.\"), mdx(ViewDiffButton, {\n    repoUrl: \"https://github.com/evergonlabs/ODC\",\n    mainHash: \"e712cb66013ac0ecf990a08d86e95fb7819e6afa\",\n    fixHash: \"18bd9a145a57e260875fe0e8950a984348ede82f\",\n    gitHubIssue: \"140\",\n    mdxType: \"ViewDiffButton\"\n  }), mdx(\"h2\", {\n    \"id\": \"span-idoff-03moff-03m-improper-refund-addressspan\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h2\",\n    \"href\": \"#span-idoff-03moff-03m-improper-refund-addressspan\",\n    \"aria-label\": \"span idoff 03moff 03m improper refund addressspan permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), mdx(\"span\", {\n    id: \"OFF-03M\"\n  }, \"OFF-03M: Improper Refund Address\")), mdx(\"table\", null, mdx(\"thead\", {\n    parentName: \"table\"\n  }, mdx(\"tr\", {\n    parentName: \"thead\"\n  }, mdx(\"th\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, \"Type\"), mdx(\"th\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, \"Severity\"), mdx(\"th\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, \"Location\"))), mdx(\"tbody\", {\n    parentName: \"table\"\n  }, mdx(\"tr\", {\n    parentName: \"tbody\"\n  }, mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"/reports/evergon-labs-onchain-data-containers-67586dec2e0f7500187d6bc9/appendix/finding-types#logical-fault\"\n  }, \"Logical Fault\")), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"img\", {\n    parentName: \"td\",\n    \"className\": \"o-severity o-medium\",\n    \"src\": \"https://omniscia.io/report-assets/medium.png\"\n  })), mdx(\"td\", {\n    parentName: \"tr\",\n    \"align\": null\n  }, mdx(\"a\", {\n    parentName: \"td\",\n    \"href\": \"https://github.com/evergonlabs/ODC/blob/e712cb66013ac0ecf990a08d86e95fb7819e6afa/contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol#L518\"\n  }, \"OmnichainFungibleFractionsDO.sol:L518\"))))), mdx(\"h3\", {\n    \"id\": \"description-2\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#description-2\",\n    \"aria-label\": \"description 2 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Description:\"), mdx(\"p\", null, \"The referenced \", mdx(\"inlineCode\", {\n    parentName: \"p\"\n  }, \"OmnichainProxy\"), \" function invocation will assume that the caller themselves own the same address on the target chain which is incorrect as many L2s employ address masking, especially in the context of smart contract refund recipients (i.e. multi-signature wallets).\"), mdx(\"h3\", {\n    \"id\": \"impact-2\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#impact-2\",\n    \"aria-label\": \"impact 2 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Impact:\"), mdx(\"p\", null, \"A cross-chain message's surplus or failure may result in unspent native funds being erroneously sent to an incorrect / inaccessible refund recipient, resulting in minor fund loss.\"), mdx(\"h3\", {\n    \"id\": \"example-2\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#example-2\",\n    \"aria-label\": \"example 2 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Example:\"), mdx(\"pre\", null, mdx(\"code\", {\n    parentName: \"pre\",\n    \"className\": \"language-sol\",\n    \"metastring\": \"title=contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol highlight={26} lineNumbers=true lineOffset=492\",\n    \"title\": \"contracts/dataobjects/omnichain/OmnichainFungibleFractionsDO.sol\",\n    \"highlight\": \"{26}\",\n    \"lineNumbers\": \"true\",\n    \"lineOffset\": \"492\"\n  }, \"function _retryIncreaseOmnichainBalance(bytes32 rid) internal nonReentrant {\\n    PendingOmnichainTransfer memory pot = _pendingOmnichainTransfers[rid];\\n    (uint32 toChainId, ) = OmnichainAddresses.decode(pot.to);\\n\\n    bytes memory data;\\n    bytes4 operation;\\n\\n    if (pot.ids.length > 1) {\\n        data = abi.encode(rid, pot.from, pot.to, pot.ids, pot.values);\\n\\n        operation = IOmnichainFungibleFractionsOperations.omnichainBatchIncreaseBalance.selector;\\n    } else {\\n        data = abi.encode(rid, pot.from, pot.to, pot.ids[0], pot.values[0]);\\n\\n        operation = IOmnichainFungibleFractionsOperations.omnichainIncreaseBalance.selector;\\n    }\\n\\n    bytes32 retryRid = _proxy.queryDataObjectWrite{value: msg.value}(\\n        toChainId,\\n        address(this), // Address of DO on target chain is same on all chains\\n        pot.dp,\\n        operation,\\n        data,\\n        OMNICHAIN_INCREASE_BALANCE_GAS_LIMIT,\\n        OMNICHAIN_INCREASE_BALANCE_CALLBACK_GAS_LIMIT,\\n        payable(_msgSender())\\n    );\\n    emit OmnichainRetryIncompleteOmnichainIncreaseBalanceSent(rid, retryRid);\\n}\\n\")), mdx(\"h3\", {\n    \"id\": \"recommendation-2\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#recommendation-2\",\n    \"aria-label\": \"recommendation 2 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Recommendation:\"), mdx(\"p\", null, \"We advise the system to permit a different refund address to be specified, ensuring that message refund operations are executed correctly.\"), mdx(\"h3\", {\n    \"id\": \"alleviation-c6b23c23d8bcd8cce85049ad959cbd711a37126b-1\",\n    \"style\": {\n      \"position\": \"relative\"\n    }\n  }, mdx(\"a\", {\n    parentName: \"h3\",\n    \"href\": \"#alleviation-c6b23c23d8bcd8cce85049ad959cbd711a37126b-1\",\n    \"aria-label\": \"alleviation c6b23c23d8bcd8cce85049ad959cbd711a37126b 1 permalink\",\n    \"className\": \"anchor before\"\n  }, mdx(\"svg\", {\n    parentName: \"a\",\n    \"aria-hidden\": \"true\",\n    \"focusable\": \"false\",\n    \"height\": \"16\",\n    \"version\": \"1.1\",\n    \"viewBox\": \"0 0 16 16\",\n    \"width\": \"16\"\n  }, mdx(\"path\", {\n    parentName: \"svg\",\n    \"fillRule\": \"evenodd\",\n    \"d\": \"M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z\"\n  }))), \"Alleviation (c6b23c23d8bcd8cce85049ad959cbd711a37126b):\"), mdx(\"p\", null, \"The refund address was updated to be the result of an input argument, alleviating this exhibit.\"), mdx(ViewDiffButton, {\n    repoUrl: \"https://github.com/evergonlabs/ODC\",\n    mainHash: \"e712cb66013ac0ecf990a08d86e95fb7819e6afa\",\n    fixHash: \"c6b23c23d8bcd8cce85049ad959cbd711a37126b\",\n    gitHubIssue: \"141\",\n    mdxType: \"ViewDiffButton\"\n  }));\n}\n;\nMDXContent.isMDXComponent = true;","headings":[{"depth":2,"value":"<span id=\"OFF-01M\">OFF-01M: Incorrect Encoding of Callback Payloads</span>"},{"depth":3,"value":"Description:"},{"depth":3,"value":"Impact:"},{"depth":3,"value":"Example:"},{"depth":3,"value":"Recommendation:"},{"depth":3,"value":"Alleviation (c6b23c23d8bcd8cce85049ad959cbd711a37126b):"},{"depth":2,"value":"<span id=\"OFF-02M\">OFF-02M: Breach of EIP-1155 Standard</span>"},{"depth":3,"value":"Description:"},{"depth":3,"value":"Impact:"},{"depth":3,"value":"Example:"},{"depth":3,"value":"Recommendation:"},{"depth":3,"value":"Alleviation (c6b23c23d8):"},{"depth":3,"value":"Alleviation (18bd9a145a):"},{"depth":2,"value":"<span id=\"OFF-03M\">OFF-03M: Improper Refund Address</span>"},{"depth":3,"value":"Description:"},{"depth":3,"value":"Impact:"},{"depth":3,"value":"Example:"},{"depth":3,"value":"Recommendation:"},{"depth":3,"value":"Alleviation (c6b23c23d8bcd8cce85049ad959cbd711a37126b):"}]}},"pageContext":{"slug":"/manual-review/OmnichainFungibleFractionsDO-OFF/","prev":{"label":"OmnichainCallbackHandlerFacet.sol 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