{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2023-42460", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2023-09-08T20:57:45.574Z", "datePublished": "2023-09-26T18:47:09.721Z", "dateUpdated": "2024-08-02T19:23:38.895Z"}, "containers": {"cna": {"title": "_abi_decode input not validated in complex expressions in Vyper", "problemTypes": [{"descriptions": [{"cweId": "CWE-682", "lang": "en", "description": "CWE-682: Incorrect Calculation", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97"}, {"name": "https://github.com/vyperlang/vyper/pull/3626", "tags": ["x_refsource_MISC"], "url": "https://github.com/vyperlang/vyper/pull/3626"}], "affected": [{"vendor": "vyperlang", "product": "vyper", "versions": [{"version": ">= 0.3.4, < 0.3.10", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2023-09-26T18:47:09.721Z"}, "descriptions": [{"lang": "en", "value": "Vyper is a Pythonic Smart Contract Language for the EVM. The `_abi_decode()` function does not validate input when it is nested in an expression. Uses of `_abi_decode()` can be constructed which allow for bounds checking to be bypassed resulting in incorrect results. This issue has not yet been fixed, but a fix is expected in release `0.3.10`. Users are advised to reference pull request #3626."}], "source": {"advisory": "GHSA-cx2q-hfxr-rj97", "discovery": "UNKNOWN"}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T19:23:38.895Z"}, "title": "CVE Program Container", "references": [{"name": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97", "tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97"}, {"name": "https://github.com/vyperlang/vyper/pull/3626", "tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/vyperlang/vyper/pull/3626"}]}]}}

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