2023-05-16 16:11:11 +02:00

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{
"id": "CVE-2023-30629",
"sourceIdentifier": "security-advisories@github.com",
"published": "2023-04-24T22:15:10.030",
"lastModified": "2023-04-25T12:52:57.877",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "Vyper is a Pythonic Smart Contract Language for the ethereum virtual machine. In versions 0.3.1 through 0.3.7, the Vyper compiler generates the wrong bytecode. Any contract that uses the `raw_call` with `revert_on_failure=False` and `max_outsize=0` receives the wrong response from `raw_call`. Depending on the memory garbage, the result can be either `True` or `False`. A patch is available and, as of time of publication, anticipated to be part of Vyper 0.3.8. As a workaround, one may always put `max_outsize>0`."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "NONE",
"baseScore": 7.5,
"baseSeverity": "HIGH"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "security-advisories@github.com",
"type": "Primary",
"description": [
{
"lang": "en",
"value": "CWE-670"
}
]
}
],
"references": [
{
"url": "https://docs.vyperlang.org/en/v0.3.7/built-in-functions.html#raw_call",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/lidofinance/gate-seals/blob/051593e74df01a4131c485b4fda52e691cd4b7d8/contracts/GateSeal.vy#L164",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/lidofinance/gate-seals/pull/5/files",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/vyperlang/vyper/commit/851f7a1b3aa2a36fd041e3d0ed38f9355a58c8ae",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/vyperlang/vyper/security/advisories/GHSA-w9g2-3w7p-72g9",
"source": "security-advisories@github.com"
}
]
}