CVE-2016-6293

NameCVE-2016-6293
DescriptionThe uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 for C/C++ does not ensure that there is a '\0' character at the end of a certain temporary array, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long httpAcceptLanguage argument.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-615-1, DSA-3725-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
icu (PTS)wheezy4.8.1.1-12+deb7u3vulnerable
wheezy (security)4.8.1.1-12+deb7u7fixed
jessie (security), jessie52.1-8+deb8u5fixed
stretch57.1-6fixed
buster, sid57.1-8fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
icusource(unstable)57.1-4high
icusourcejessie52.1-8+deb8u4highDSA-3725-1
icusourcewheezy4.8.1.1-12+deb7u5highDLA-615-1

Notes

http://bugs.icu-project.org/trac/changeset/39109
http://bugs.icu-project.org/trac/ticket/12652
And possibly needs some more follow-up fixes, cf. with upstream changes
around/later than changeset 39109.

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