FKIE_CVE-2012-5854
Vulnerability from fkie_nvd - Published: 2012-11-19 12:10 - Updated: 2026-06-16 23:47
Severity
Summary
Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded.
References
{
"affected": [
{
"affectedData": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"source": "cve@mitre.org"
}
],
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:flashtux:weechat:0.3.6:*:*:*:*:*:*:*",
"matchCriteriaId": "E94ADDFF-60D3-4303-97F4-D30AA5A0793C",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:flashtux:weechat:0.3.7:*:*:*:*:*:*:*",
"matchCriteriaId": "7563DBA9-9103-4EE0-A7B6-9C477C736755",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:flashtux:weechat:0.3.8:*:*:*:*:*:*:*",
"matchCriteriaId": "B1FAB4CE-F55B-463C-83D4-BFC4480CB0AA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:flashtux:weechat:0.3.9:*:*:*:*:*:*:*",
"matchCriteriaId": "F80580A7-CFEC-4635-BB41-0DE89DDFD322",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Heap-based buffer overflow in WeeChat 0.3.6 through 0.3.9 allows remote attackers to cause a denial of service (crash or hang) and possibly execute arbitrary code via crafted IRC colors that are not properly decoded."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer basado en memoria din\u00e1mica en weechat v0.3.6 a hasta v0.3.9 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (ca\u00edda o bloqueo) y posiblemente ejecutar c\u00f3digo arbitrario a trav\u00e9s de colores IRC hechos a mano que no est\u00e1n debidamente decodificados."
}
],
"id": "CVE-2012-5854",
"lastModified": "2026-06-16T23:47:27.970",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "HIGH",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 7.5,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-11-19T12:10:54.417",
"references": [
{
"source": "cve@mitre.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html"
},
{
"source": "cve@mitre.org",
"url": "http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html"
},
{
"source": "cve@mitre.org",
"url": "http://osvdb.org/87279"
},
{
"source": "cve@mitre.org",
"url": "http://secunia.com/advisories/51377"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://weechat.org/security/"
},
{
"source": "cve@mitre.org",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:136"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2012/11/12/2"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/56482"
},
{
"source": "cve@mitre.org",
"url": "https://savannah.nongnu.org/bugs/?37704"
},
{
"source": "cve@mitre.org",
"url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092228.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092490.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092536.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00018.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://lists.opensuse.org/opensuse-updates/2012-11/msg00087.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://osvdb.org/87279"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://secunia.com/advisories/51377"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://weechat.org/security/"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2013:136"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/11/12/2"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/56482"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://savannah.nongnu.org/bugs/?37704"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0330"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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