CVE-2012-6656

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "datePublic": "2012-05-23T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of \"0xffff\" to the iconv function when converting IBM930 encoded data to UTF-8."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2017-06-30T16:57:01.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"name": "69472", "tags": ["vdb-entry", "x_refsource_BID"], "url": "http://www.securityfocus.com/bid/69472"}, {"name": "USN-2432-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU"], "url": "http://www.ubuntu.com/usn/USN-2432-1"}, {"name": "MDVSA-2014:175", "tags": ["vendor-advisory", "x_refsource_MANDRIVA"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:175"}, {"name": "[oss-security] 20140829 CVE request: glibc character set conversion from IBM code pages", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2014/08/29/3"}, {"name": "GLSA-201503-04", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/201503-04"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=14134"}, {"name": "[oss-security] 20140902 Re: CVE request: glibc character set conversion from IBM code pages", "tags": ["mailing-list", "x_refsource_MLIST"], "url": "http://www.openwall.com/lists/oss-security/2014/09/02/1"}, {"tags": ["x_refsource_CONFIRM"], "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5"}, {"name": "DSA-3142", "tags": ["vendor-advisory", "x_refsource_DEBIAN"], "url": "http://www.debian.org/security/2015/dsa-3142"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2012-6656", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of \"0xffff\" to the iconv function when converting IBM930 encoded data to UTF-8."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "69472", "refsource": "BID", "url": "http://www.securityfocus.com/bid/69472"}, {"name": "USN-2432-1", "refsource": "UBUNTU", "url": "http://www.ubuntu.com/usn/USN-2432-1"}, {"name": "MDVSA-2014:175", "refsource": "MANDRIVA", "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:175"}, {"name": "[oss-security] 20140829 CVE request: glibc character set conversion from IBM code pages", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2014/08/29/3"}, {"name": "GLSA-201503-04", "refsource": "GENTOO", "url": "https://security.gentoo.org/glsa/201503-04"}, {"name": "https://sourceware.org/bugzilla/show_bug.cgi?id=14134", "refsource": "CONFIRM", "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=14134"}, {"name": "[oss-security] 20140902 Re: CVE request: glibc character set conversion from IBM code pages", "refsource": "MLIST", "url": "http://www.openwall.com/lists/oss-security/2014/09/02/1"}, {"name": "https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5", "refsource": "CONFIRM", "url": "https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5"}, {"name": "DSA-3142", "refsource": "DEBIAN", "url": "http://www.debian.org/security/2015/dsa-3142"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-06T21:36:01.966Z"}, "title": "CVE Program Container", "references": [{"name": "69472", "tags": ["vdb-entry", "x_refsource_BID", "x_transferred"], "url": "http://www.securityfocus.com/bid/69472"}, {"name": "USN-2432-1", "tags": ["vendor-advisory", "x_refsource_UBUNTU", "x_transferred"], "url": "http://www.ubuntu.com/usn/USN-2432-1"}, {"name": "MDVSA-2014:175", "tags": ["vendor-advisory", "x_refsource_MANDRIVA", "x_transferred"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:175"}, {"name": "[oss-security] 20140829 CVE request: glibc character set conversion from IBM code pages", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2014/08/29/3"}, {"name": "GLSA-201503-04", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/201503-04"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=14134"}, {"name": "[oss-security] 20140902 Re: CVE request: glibc character set conversion from IBM code pages", "tags": ["mailing-list", "x_refsource_MLIST", "x_transferred"], "url": "http://www.openwall.com/lists/oss-security/2014/09/02/1"}, {"tags": ["x_refsource_CONFIRM", "x_transferred"], "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5"}, {"name": "DSA-3142", "tags": ["vendor-advisory", "x_refsource_DEBIAN", "x_transferred"], "url": "http://www.debian.org/security/2015/dsa-3142"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2012-6656", "datePublished": "2014-12-05T16:00:00.000Z", "dateReserved": "2014-09-01T00:00:00.000Z", "dateUpdated": "2024-08-06T21:36:01.966Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"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:o:debian:debian_linux:7.0:*:*:*:*:*:*:*", "matchCriteriaId": "16F59A04-14CF-49E2-9973-645477EA09DA", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:lts:*:*:*", "matchCriteriaId": "5D37DF0F-F863-45AC-853A-3E04F9FEC7CA", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B6B7CAD7-9D4E-4FDB-88E3-1E583210A01F", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*", "matchCriteriaId": "B5A6F2F3-4894-4392-8296-3B8DD2679084", "vulnerable": true}, {"criteria": "cpe:2.3:o:canonical:ubuntu_linux:14.10:*:*:*:*:*:*:*", "matchCriteriaId": "49A63F39-30BE-443F-AF10-6245587D3359", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*", "matchCriteriaId": "786931ED-C141-460F-954C-8B9C6D6FC951", "versionEndIncluding": "2.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of \"0xffff\" to the iconv function when converting IBM930 encoded data to UTF-8."}, {"lang": "es", "value": "iconvdata/ibm930.c en GNU C Library (tambi\u00e9n conocido como glibc) anterior a 2.16 permite a atacantes dependientes de contexto causar una denegaci\u00f3n de servicio (lectura fuera de rango) a trav\u00e9s de un valor de caracteres de multibytes de '0xffff' en la funci\u00f3n iconv cuando convierte datos codificados de IBM930 a UTF-8."}], "id": "CVE-2012-6656", "lastModified": "2026-06-16T23:48:33.827", "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": "2014-12-05T16:59:00.067", "references": [{"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2015/dsa-3142"}, {"source": "secalert@redhat.com", "tags": ["Broken Link"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:175"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2014/08/29/3"}, {"source": "secalert@redhat.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2014/09/02/1"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/69472"}, {"source": "secalert@redhat.com", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-2432-1"}, {"source": "secalert@redhat.com", "url": "https://security.gentoo.org/glsa/201503-04"}, {"source": "secalert@redhat.com", "tags": ["Exploit", "Issue Tracking"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=14134"}, {"source": "secalert@redhat.com", "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.debian.org/security/2015/dsa-3142"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "http://www.mandriva.com/security/advisories?name=MDVSA-2014:175"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2014/08/29/3"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "http://www.openwall.com/lists/oss-security/2014/09/02/1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "VDB Entry"], "url": "http://www.securityfocus.com/bid/69472"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "http://www.ubuntu.com/usn/USN-2432-1"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://security.gentoo.org/glsa/201503-04"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Issue Tracking"], "url": "https://sourceware.org/bugzilla/show_bug.cgi?id=14134"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=6e230d11837f3ae7b375ea69d7905f0d18eb79e5"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "glibc: crash in IBM930 decoding", "id": "1135840", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1135840"}, "csaw": false, "cvss": {"cvss_base_score": "2.1", "cvss_scoring_vector": "AV:L/AC:L/Au:N/C:N/I:N/A:P", "status": "draft"}, "cwe": "CWE-119", "details": ["iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of \"0xffff\" to the iconv function when converting IBM930 encoded data to UTF-8."], "name": "CVE-2012-6656", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:5", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 5"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "glibc", "product_name": "Red Hat Enterprise Linux 7"}], "public_date": "2012-05-23T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2012-6656\nhttps://nvd.nist.gov/vuln/detail/CVE-2012-6656"], "statement": "Not vulnerable. This issue does not affect the versions of glibc in Red Hat Enterprise Linux 5, 6, or 7.", "threat_severity": "Moderate"}

{}