CVE-2012-5643 (GCVE-0-2012-5643)
Vulnerability from cvelistv5 – Published: 2012-12-20 11:00 – Updated: 2024-08-06 21:14
VLAI
EPSS
VEX
Summary
Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST requests, or (3) crafted authentication credentials.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
20 references
Date Public
2012-12-17 00:00
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"matchCriteriaId": "17D0083E-8D50-4DC6-979F-685D5CB588AF",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.0.15:*:*:*:*:*:*:*",
"matchCriteriaId": "138FAD73-1D25-4F46-B9EA-599FF0EDA1AA",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.0.16:*:*:*:*:*:*:*",
"matchCriteriaId": "2CE34DC1-F654-474E-B6A3-D81B9BF4D6CF",
"vulnerable": true
},
{
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"matchCriteriaId": "8A4BF7AC-7D9F-40D8-A5AA-BE1EBF37CF96",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.0.18:*:*:*:*:*:*:*",
"matchCriteriaId": "643E8B9B-C3F4-4171-BF67-D9359BDCE5CB",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.0.19:*:*:*:*:*:*:*",
"matchCriteriaId": "A73CBC60-1EF1-4730-9350-EB51F269695B",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.1:*:*:*:*:*:*:*",
"matchCriteriaId": "2721E403-A553-492F-897F-1CD1E2685139",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.2:*:*:*:*:*:*:*",
"matchCriteriaId": "85B091C4-8104-4A1E-A09D-EBCD114DC829",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:squid-cache:squid:3.2.3:*:*:*:*:*:*:*",
"matchCriteriaId": "FA2EDF9C-45AD-4980-8DEF-C7F473B22CAF",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
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},
{
"nodes": [
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"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Multiple memory leaks in tools/cachemgr.cc in cachemgr.cgi in Squid 2.x and 3.x before 3.1.22, 3.2.x before 3.2.4, and 3.3.x before 3.3.0.2 allow remote attackers to cause a denial of service (memory consumption) via (1) invalid Content-Length headers, (2) long POST requests, or (3) crafted authentication credentials."
},
{
"lang": "es",
"value": "Varias fugas de memoria en tools/cachemgr.cc en cachemgr.cgi en Squid v2.x y v3.x antes de v3.1.22, v3.2.x antes de v3.2.4 y v3.3.x antes de v3.3.0.2 permite a atacantes remotos provocar una denegaci\u00f3n de servicio (consumo de memoria) a trav\u00e9s de (1) cabeceras Content-Length no v\u00e1lidas, (2) largas peticiones POST, o (3) credenciales de autenticaci\u00f3n manipuladas."
}
],
"id": "CVE-2012-5643",
"lastModified": "2026-04-29T01:13:23.040",
"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": "2012-12-20T12:02:19.840",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2013-01/msg00052.html"
},
{
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},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html"
},
{
"source": "secalert@redhat.com",
"url": "http://openwall.com/lists/oss-security/2012/12/17/4"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2013-0505.html"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/52024"
},
{
"source": "secalert@redhat.com",
"url": "http://secunia.com/advisories/54839"
},
{
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"url": "http://ubuntu.com/usn/usn-1713-1"
},
{
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{
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},
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],
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},
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},
{
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"url": "http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11714.patch"
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{
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"url": "https://bugs.gentoo.org/show_bug.cgi?id=447596"
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{
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},
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},
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"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
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},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T12:48:14+00:00",
"cve": "CVE-2012-5643",
"id": "CVE-2012-5643",
"initial_release_date": "2012-12-17T00:00:00+00:00",
"product_status:fixed": "18",
"product_status:known_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "squid: cachemgr.cgi memory usage DoS and memory leaks",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2012/cve-2012-5643.json",
"version": "3"
},
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"current_release_date": "2026-08-27T02:07:24Z",
"cve": "CVE-2012-5643",
"id": "CVE-2012-5643",
"initial_release_date": "2023-02-15T05:43:28Z",
"product_status:known_affected": "1",
"product_status:known_not_affected": "25",
"product_status:recommended": "42",
"source": "SUSE CSAF VEX",
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"title": "SUSE CVE CVE-2012-5643",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2012-5643.json",
"version": "14"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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