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{
"id": "CVE-2024-25629",
"sourceIdentifier": "security-advisories@github.com",
"published": "2024-02-23T15:15:09.237",
"lastModified": "2024-02-23T16:14:43.447",
"vulnStatus": "Awaiting Analysis",
"descriptions": [
{
"lang": "en",
"value": "c-ares is a C library for asynchronous DNS requests. `ares__read_line()` is used to parse local configuration files such as `/etc/resolv.conf`, `/etc/nsswitch.conf`, the `HOSTALIASES` file, and if using a c-ares version prior to 1.27.0, the `/etc/hosts` file. If any of these configuration files has an embedded `NULL` character as the first character in a new line, it can lead to attempting to read memory prior to the start of the given buffer which may result in a crash. This issue is fixed in c-ares 1.27.0. No known workarounds exist."
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"attackVector": "LOCAL",
"attackComplexity": "LOW",
"privilegesRequired": "HIGH",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"availabilityImpact": "HIGH",
"baseScore": 4.4,
"baseSeverity": "MEDIUM"
},
"exploitabilityScore": 0.8,
"impactScore": 3.6
}
]
},
"weaknesses": [
{
"source": "security-advisories@github.com",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-127"
}
]
}
],
"references": [
{
"url": "https://github.com/c-ares/c-ares/commit/a804c04ddc8245fc8adf0e92368709639125e183",
"source": "security-advisories@github.com"
},
{
"url": "https://github.com/c-ares/c-ares/security/advisories/GHSA-mg26-v6qh-x48q",
"source": "security-advisories@github.com"
}
]
}