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{
"id": "CVE-2023-42460",
"sourceIdentifier": "security-advisories@github.com",
"published": "2023-09-27T15:19:32.543",
"lastModified": "2023-09-27T15:40:54.270",
"vulnStatus": "Awaiting Analysis",
"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."
}
],
"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",
"attackVector": "NETWORK",
"attackComplexity": "HIGH",
"privilegesRequired": "LOW",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE",
"baseScore": 5.3,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 1.6,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "security-advisories@github.com",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-682"
}
]
}
],
"references": [
{
"url": "https://github.com/vyperlang/vyper/pull/3626",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-cx2q-hfxr-rj97",
"source": "security-advisories@github.com"
}
]
}