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Vulnerability Details : CVE-2012-6656

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.
Publish Date : 2014-12-05 Last Update Date : 2017-06-30
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- CVSS Scores & Vulnerability Types

CVSS Score
5.0
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 20

- Related OVAL Definitions

Title Definition Id Class Family
DSA-3142-1 -- eglibc -- security update oval:org.mitre.oval:def:28528 unix
SUSE-SU-2014:1128-1 -- Security update for glibc oval:org.mitre.oval:def:26817 unix
SUSE-SU-2014:1129-1 -- Security update for glibc oval:org.mitre.oval:def:25924 unix
USN-2432-1 -- GNU C Library vulnerabilities oval:org.mitre.oval:def:28047 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2012-6656

# Product Type Vendor Product Version Update Edition Language
1 OS Canonical Ubuntu Linux 10.04 ~~lts~~~ Version Details Vulnerabilities
2 OS Canonical Ubuntu Linux 12.04 ~~lts~~~ Version Details Vulnerabilities
3 OS Canonical Ubuntu Linux 14.04 ~~lts~~~ Version Details Vulnerabilities
4 OS Canonical Ubuntu Linux 14.10 Version Details Vulnerabilities
5 OS Debian Debian Linux 7.0 Version Details Vulnerabilities
6 Application GNU Glibc 2.16 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Canonical Ubuntu Linux 4
Debian Debian Linux 1
GNU Glibc 1

- References For CVE-2012-6656

https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5 CONFIRM
http://www.openwall.com/lists/oss-security/2014/09/02/1
MLIST [oss-security] 20140902 Re: CVE request: glibc character set conversion from IBM code pages
https://sourceware.org/bugzilla/show_bug.cgi?id=14134 CONFIRM
http://www.securityfocus.com/bid/69472
BID 69472 GNU glibc 'iconv()' Denial of Service Vulnerability Release Date:2015-01-28
http://www.ubuntu.com/usn/USN-2432-1
UBUNTU USN-2432-1
https://security.gentoo.org/glsa/201503-04
GENTOO GLSA-201503-04
http://www.mandriva.com/security/advisories?name=MDVSA-2014:175
MANDRIVA MDVSA-2014:175
http://www.debian.org/security/2015/dsa-3142
DEBIAN DSA-3142
http://www.openwall.com/lists/oss-security/2014/08/29/3
MLIST [oss-security] 20140829 CVE request: glibc character set conversion from IBM code pages

- Metasploit Modules Related To CVE-2012-6656

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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