FKIE_CVE-2012-2673
Vulnerability from fkie_nvd - Published: 2012-07-25 19:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.
References
Impacted products
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{
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],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Multiple integer overflows in the (1) GC_generic_malloc and (2) calloc functions in malloc.c, and the (3) GC_generic_malloc_ignore_off_page function in mallocx.c in Boehm-Demers-Weiser GC (libgc) before 7.2 make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected."
},
{
"lang": "es",
"value": "M\u00faltiples desbordamientos de entero en las funciones (1) GC_generic_malloc y (2) calloc en malloc.c y en la funci\u00f3n (3) GC_generic_malloc_ignore_off_page en mallocx.c en Boehm-Demers-Weiser GC (libgc) en versiones anteriores a 7.2 hace que sea m\u00e1s f\u00e1cil para atacantes dependientes de contexto realizar ataques relacionados con la memoria tales como desbordamientos de b\u00fafer a trav\u00e9s un valor de gran tama\u00f1o, lo que provoca que se asigne menos memoria de los esperado."
}
],
"id": "CVE-2012-2673",
"lastModified": "2025-04-11T00:51:21.963",
"metrics": {
"cvssMetricV2": [
{
"acInsufInfo": false,
"baseSeverity": "MEDIUM",
"cvssData": {
"accessComplexity": "LOW",
"accessVector": "NETWORK",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 5.0,
"confidentialityImpact": "NONE",
"integrityImpact": "PARTIAL",
"vectorString": "AV:N/AC:L/Au:N/C:N/I:P/A:N",
"version": "2.0"
},
"exploitabilityScore": 10.0,
"impactScore": 2.9,
"obtainAllPrivilege": false,
"obtainOtherPrivilege": false,
"obtainUserPrivilege": false,
"source": "nvd@nist.gov",
"type": "Primary",
"userInteractionRequired": false
}
]
},
"published": "2012-07-25T19:55:02.773",
"references": [
{
"source": "secalert@redhat.com",
"url": "http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082926.html"
},
{
"source": "secalert@redhat.com",
"url": "http://lists.fedoraproject.org/pipermail/package-announce/2012-June/082988.html"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2013-1500.html"
},
{
"source": "secalert@redhat.com",
"url": "http://rhn.redhat.com/errata/RHSA-2014-0149.html"
},
{
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{
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"url": "http://www.mandriva.com/security/advisories?name=MDVSA-2012:158"
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{
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"url": "http://www.openwall.com/lists/oss-security/2012/06/05/1"
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{
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},
{
"source": "secalert@redhat.com",
"url": "http://www.securityfocus.com/bid/54227"
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{
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{
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],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Deferred",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-189"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
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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