CVE-2012-6656

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Summary

CVECVE-2012-6656
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2014-12-05 16:59:00 UTC
Updated2026-05-06 22:30:45 UTC
Descriptioniconvdata/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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: CWE-20 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Canonical Ubuntu Linux 10.04 All All All
Operating System Canonical Ubuntu Linux 12.04 All All All
Operating System Canonical Ubuntu Linux 14.04 All All All
Operating System Canonical Ubuntu Linux 14.10 All All All
Operating System Debian Debian Linux 7.0 All All All
Application Gnu Glibc All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 14134 – iconv() segfaults if the invalid multibyte character 0xffff is input when converting from IBM930 (CVE-2012-6656) af854a3a-2127-422b-91ae-364da2661108 sourceware.org Exploit, Issue Tracking
GNU glibc 'iconv()' Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
sourceware.org Git - glibc.git/commit af854a3a-2127-422b-91ae-364da2661108 sourceware.org
oss-security - CVE request: glibc character set conversion from IBM code pages af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
USN-2432-1: GNU C Library vulnerabilities | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
oss-security - Re: CVE request: glibc character set conversion from IBM code pages af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Gentoo Security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org
Support / Security / Advisories / / MDVSA-2014:175 | Mandriva af854a3a-2127-422b-91ae-364da2661108 www.mandriva.com Broken Link
Debian -- Security Information -- DSA-3142-1 eglibc af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
sourceware.org Git - glibc.git/commit MITRE sourceware.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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