FKIE_CVE-2012-2942
Vulnerability from fkie_nvd - Published: 2012-05-27 20:55 - Updated: 2026-06-16 23:42
Severity
Summary
Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors.
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:haproxy:haproxy:*:*:*:*:*:*:*:*",
"matchCriteriaId": "B757FF21-72FC-4B35-A2E1-6FA06FA311F0",
"versionEndIncluding": "1.4.20",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Buffer overflow in the trash buffer in the header capture functionality in HAProxy before 1.4.21, when global.tune.bufsize is set to a value greater than the default and header rewriting is enabled, allows remote attackers to cause a denial of service and possibly execute arbitrary code via unspecified vectors."
},
{
"lang": "es",
"value": "Desbordamiento de b\u00fafer en el trash buffer en la funcionalidad de captura de cabecera en HAProxy antes v1.4.21, cuando global.tune.bufsize se establece en un valor mayor que el valor predeterminado y la reescritura de cabecera est\u00e1 activada, permite a atacantes remotos provocar una denegaci\u00f3n de servicio y, posiblemente, ejecutar c\u00f3digo arbitrario a trav\u00e9s de vectores no especificados."
}
],
"id": "CVE-2012-2942",
"lastModified": "2026-06-16T23:42:23.923",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "HIGH",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "PARTIAL",
"baseScore": 5.1,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:H/Au:N/C:P/I:P/A:P",
"version": "2.0"
},
"exploitabilityScore": 4.9,
"impactScore": 6.4,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-05-27T20:55:05.017",
"references": [
{
"source": "cve@mitre.org",
"url": "http://haproxy.1wt.eu/#news"
},
{
"source": "cve@mitre.org",
"url": "http://haproxy.1wt.eu/download/1.4/src/CHANGELOG"
},
{
"source": "cve@mitre.org",
"url": "http://haproxy.1wt.eu/git?p=haproxy-1.4.git%3Ba=commit%3Bh=30297cb17147a8d339eb160226bcc08c91d9530b"
},
{
"source": "cve@mitre.org",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/49261"
},
{
"source": "cve@mitre.org",
"url": "http://security.gentoo.org/glsa/glsa-201301-02.xml"
},
{
"source": "cve@mitre.org",
"url": "http://www.debian.org/security/2013/dsa-2711"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2012/05/23/12"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2012/05/23/15"
},
{
"source": "cve@mitre.org",
"url": "http://www.openwall.com/lists/oss-security/2012/05/28/1"
},
{
"source": "cve@mitre.org",
"url": "http://www.securityfocus.com/bid/53647"
},
{
"source": "cve@mitre.org",
"url": "http://www.ubuntu.com/usn/USN-1800-1"
},
{
"source": "cve@mitre.org",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/75777"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://haproxy.1wt.eu/#news"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://haproxy.1wt.eu/download/1.4/src/CHANGELOG"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://haproxy.1wt.eu/git?p=haproxy-1.4.git%3Ba=commit%3Bh=30297cb17147a8d339eb160226bcc08c91d9530b"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Vendor Advisory"
],
"url": "http://secunia.com/advisories/49261"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://security.gentoo.org/glsa/glsa-201301-02.xml"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.debian.org/security/2013/dsa-2711"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/05/23/12"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/05/23/15"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.openwall.com/lists/oss-security/2012/05/28/1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.securityfocus.com/bid/53647"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "http://www.ubuntu.com/usn/USN-1800-1"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/75777"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-119"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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