CVE-2012-6656

NameCVE-2012-6656
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.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-97-1, DSA-3142-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
eglibc (PTS)wheezy2.13-38+deb7u10fixed
wheezy (security)2.13-38+deb7u12fixed
glibc (PTS)jessie (security), jessie2.19-18+deb8u10fixed
stretch (security), stretch2.24-11+deb9u1fixed
buster2.25-3fixed
sid2.25-4fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
eglibcsource(unstable)(unfixed)medium
eglibcsourcesqueeze2.11.3-4+deb6u2mediumDLA-97-1
eglibcsourcewheezy2.13-38+deb7u7mediumDSA-3142-1
glibcsource(unstable)2.17-1medium

Notes

[wheezy] - eglibc <no-dsa> (Will be fixed in a point update)
https://sourceware.org/bugzilla/show_bug.cgi?id=14134
https://sourceware.org/git/?p=glibc.git;a=commit;h=6e230d11837f3ae7b375ea69d7905f0d18eb79e5

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