Vulnerability CVE-2012-6656
Published: 2014-12-05

Description:
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.

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
GNU -> Glibc 
Debian -> Debian linux 
Canonical -> Ubuntu linux 

 References:
http://www.debian.org/security/2015/dsa-3142
http://www.mandriva.com/security/advisories?name=MDVSA-2014:175
http://www.openwall.com/lists/oss-security/2014/08/29/3
http://www.openwall.com/lists/oss-security/2014/09/02/1
http://www.securityfocus.com/bid/69472
http://www.ubuntu.com/usn/USN-2432-1
https://security.gentoo.org/glsa/201503-04
https://sourceware.org/bugzilla/show_bug.cgi?id=14134
https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5
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