fkie_cve-2012-3517
Vulnerability from fkie_nvd
Published
2012-08-26 03:17
Modified
2025-04-11 00:51
Severity ?
Summary
Use-after-free vulnerability in dns.c in Tor before 0.2.2.38 might allow remote attackers to cause a denial of service (daemon crash) via vectors related to failed DNS requests.
References
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:*",
"matchCriteriaId": "D87D8965-CE3A-457E-AD9D-C8EE68F538A4",
"versionEndIncluding": "0.2.2.37",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Use-after-free vulnerability in dns.c in Tor before 0.2.2.38 might allow remote attackers to cause a denial of service (daemon crash) via vectors related to failed DNS requests."
},
{
"lang": "es",
"value": "Vulnerabilidad de liberaci\u00f3n despu\u00e9s de uso en dns.c en Tor anterior a 0.2.2.38 podr\u00eda permitir a atacantes remotos causar una denegaci\u00f3n de servicio (ca\u00edda del demonio) a trav\u00e9s de vectores relacionados con solicitudes fallidas de DNS."
}
],
"id": "CVE-2012-3517",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-08-26T03:17:44.043",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2012/08/21/6"
},
{
"source": "secalert@redhat.com",
"url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
},
{
"source": "secalert@redhat.com",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=849949"
},
{
"source": "secalert@redhat.com",
"url": "https://gitweb.torproject.org/tor.git/commit/62637fa22405278758febb1743da9af562524d4c"
},
{
"source": "secalert@redhat.com",
"url": "https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html"
},
{
"source": "secalert@redhat.com",
"tags": [
"Patch"
],
"url": "https://trac.torproject.org/projects/tor/ticket/6480"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088006.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2012-08/msg00048.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://openwall.com/lists/oss-security/2012/08/21/6"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-201301-03.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=849949"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://gitweb.torproject.org/tor.git/commit/62637fa22405278758febb1743da9af562524d4c"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://lists.torproject.org/pipermail/tor-announce/2012-August/000086.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Patch"
],
"url": "https://trac.torproject.org/projects/tor/ticket/6480"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-399"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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