CVE-2012-3405

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:glibc:2.14:*:*:*:*:*:*:*", "matchCriteriaId": "BFD5D113-EF53-4690-92AC-B6E54D70AA9B", "vulnerable": true}, {"criteria": "cpe:2.3:a:redhat:enterprise_virtualization:3.0:*:*:*:*:*:*:*", "matchCriteriaId": "105130E9-D48E-4FB8-A715-E6438EC7E744", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:8.04:-:lts:*:*:*:*:*", "matchCriteriaId": "D6DFE2D3-46E2-4D0C-8508-30307D654560", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:*", "matchCriteriaId": "7118F616-25CA-4E34-AA13-4D14BB62419F", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*", "matchCriteriaId": "EF49D26F-142E-468B-87C1-BABEA445255C", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*", "matchCriteriaId": "E4174F4F-149E-41A6-BBCC-D01114C05F38", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:-:lts:*:*:*:*:*", "matchCriteriaId": "F5D324C4-97C7-49D3-A809-9EAD4B690C69", "vulnerable": true}, {"criteria": "cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*", "matchCriteriaId": "2F6AB192-9D7D-4A9A-8995-E53A9DE9EAFC", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (segmentation fault and crash) via a format string with a large number of format specifiers that triggers \"desynchronization within the buffer size handling,\" a different vulnerability than CVE-2012-3404."}, {"lang": "es", "value": "La funci\u00f3n vfprintf en stdio-common/vfprintf.c en libc en GNU C Library (tambi\u00e9n conocido como glibc) 2.14 y otras versiones no calcula correctamente una longitud de buffer, lo que permite a atacantes dependientes de contexto evadir el mecanismo de protecci\u00f3n de cadenas de formato FORTIFY_SOURCE y causar una denegaci\u00f3n de servicio (fallo de segmentaci\u00f3n y ca\u00edda) a trav\u00e9s de una cadena de formato con un gran n\u00famero de especificadores de formato que provoca \"desincronizaci\u00f3n dentro del manejo del tama\u00f1o de buffer,\" una vulnerabilidad deferente a CVE-2012-3404."}], "id": "CVE-2012-3405", "lastModified": "2026-06-16T23:43:09.460", "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": "2014-02-10T18:15:10.073", "references": [{"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2012-1098.html"}, {"source": "secalert@redhat.com", "url": "http://rhn.redhat.com/errata/RHSA-2012-1200.html"}, {"source": "secalert@redhat.com", "url": "http://www.openwall.com/lists/oss-security/2012/07/11/17"}, {"source": "secalert@redhat.com", "url": "http://www.ubuntu.com/usn/USN-1589-1"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833704"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201503-04"}, {"source": "secalert@redhat.com", "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=13446"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2012-1098.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://rhn.redhat.com/errata/RHSA-2012-1200.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2012/07/11/17"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.ubuntu.com/usn/USN-1589-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833704"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201503-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=13446"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-189"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2012:1098", "cpe": "cpe:/o:redhat:enterprise_linux:6", "package": "glibc-0:2.12-1.80.el6_3.3", "product_name": "Red Hat Enterprise Linux 6", "release_date": "2012-07-18T00:00:00Z"}, {"advisory": "RHSA-2012:1200", "cpe": "cpe:/o:redhat:enterprise_linux:6::hypervisor", "package": "rhev-hypervisor6-0:6.3-20120815.0.el6_3", "product_name": "RHEV 3.X Hypervisor and Agents for RHEL-6", "release_date": "2012-08-23T00:00:00Z"}], "bugzilla": {"description": "glibc: incorrect use of extend_alloca() in formatted printing can lead to FORTIFY_SOURCE format string protection bypass", "id": "833704", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=833704"}, "csaw": false, "cvss": {"cvss_base_score": "6.8", "cvss_scoring_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P", "status": "verified"}, "details": ["The vfprintf function in stdio-common/vfprintf.c in libc in GNU C Library (aka glibc) 2.14 and other versions does not properly calculate a buffer length, which allows context-dependent attackers to bypass the FORTIFY_SOURCE format-string protection mechanism and cause a denial of service (segmentation fault and crash) via a format string with a large number of format specifiers that triggers \"desynchronization within the buffer size handling,\" a different vulnerability than CVE-2012-3404."], "name": "CVE-2012-3405", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 5"}], "public_date": "2012-07-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-3405\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-3405"], "statement": "This issue did not affect the version of glibc as shipped with Red Hat Enterprise Linux 5.", "threat_severity": "Moderate"}

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