{ "id": "CVE-2023-42460", "sourceIdentifier": "security-advisories@github.com", "published": "2023-09-27T15:19:32.543", "lastModified": "2024-11-21T08:22:34.977", "vulnStatus": "Modified", "cveTags": [], "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." }, { "lang": "es", "value": "Vyper es un Pythonic Smart Contract Language para EVM. La funci\u00f3n `_abi_decode()` no valida la entrada cuando est\u00e1 anidada en una expresi\u00f3n. Se pueden crear usos de `_abi_decode()` que permitan omitir la verificaci\u00f3n de los l\u00edmites, lo que generar\u00e1 resultados incorrectos. Este problema a\u00fan no se ha solucionado, pero se espera que se solucione en la versi\u00f3n `0.3.10`. Se recomienda a los usuarios que hagan referencia al pull request #3626." } ], "metrics": { "cvssMetricV31": [ { "source": "security-advisories@github.com", "type": "Secondary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE" }, "exploitabilityScore": 1.6, "impactScore": 3.6 }, { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N", "baseScore": 7.5, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "availabilityImpact": "NONE" }, "exploitabilityScore": 3.9, "impactScore": 3.6 } ] }, "weaknesses": [ { "source": "security-advisories@github.com", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-682" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:vyperlang:vyper:*:*:*:*:*:python:*:*", "versionStartIncluding": "0.3.4", "versionEndExcluding": "0.3.10", "matchCriteriaId": "0D4639D6-93EE-4697-BEC9-894E9B39A3B4" } ] } ] } ], "references": [ { "url": "https://github.com/vyperlang/vyper/pull/3626", "source": "security-advisories@github.com", "tags": [ "Patch" ] }, { "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97", "source": "security-advisories@github.com", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] }, { "url": "https://github.com/vyperlang/vyper/pull/3626", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Patch" ] }, { "url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97", "source": "af854a3a-2127-422b-91ae-364da2661108", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] } ] }