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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": "2024-11-21T01:39:25.127", "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": 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"https://github.com/ivmai/bdwgc/commit/6a93f8e5bcad22137f41b6c60a1c7384baaec2b3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Patch"], "url": "https://github.com/ivmai/bdwgc/commit/83231d0ab5ed60015797c3d1ad9056295ac3b2bb"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/ivmai/bdwgc/commit/be9df82919960214ee4b9d3313523bff44fd99e1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch"], "url": "https://github.com/ivmai/bdwgc/commit/e10c1eb9908c2774c16b3148b30d2f3823d66a9a"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2013:1500", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "gc-0:7.1-12.el6_4", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2013-11-04T00:00:00Z"}, {"advisory": "RHSA-2014:0149", "cpe": "cpe:/a:redhat:network_satellite:5.6::el5", "package": "gc-0:7.1-12.2.el5sat", "product_name": "Red Hat Satellite 5.6", "release_date": "2014-02-10T00:00:00Z"}, {"advisory": "RHSA-2014:0150", "cpe": "cpe:/a:redhat:network_proxy:5.6::el5", "package": "gc-0:7.1-12.2.el5sat", "product_name": "Red Hat Satellite Proxy v 5.6", "release_date": "2014-02-10T00:00:00Z"}], "bugzilla": {"description": "gc: malloc() and calloc() overflows", "id": "828878", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=828878"}, "csaw": false, "cvss": {"cvss_base_score": "5.1", "cvss_scoring_vector": "AV:N/AC:H/Au:N/C:P/I:P/A:P", "status": "verified"}, "details": ["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."], "name": "CVE-2012-2673", "public_date": "2012-06-05T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-2673\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-2673"], "threat_severity": "Moderate"}