CVE-2014-8147

NameCVE-2014-8147
DescriptionThe resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3323-1
NVD severityhigh (attack range: remote)
Debian Bugs784773

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
chromium-browser (PTS)jessie (security), jessie57.0.2987.98-1~deb8u1fixed
stretch69.0.3497.92-1~deb9u1fixed
stretch (security)70.0.3538.102-1~deb9u1fixed
buster70.0.3538.67-2fixed
sid70.0.3538.110-1fixed
icu (PTS)jessie (security), jessie52.1-8+deb8u7fixed
stretch (security), stretch57.1-6+deb9u2fixed
buster, sid63.1-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
chromium-browsersource(unstable)42.0.2311.135-1high
chromium-browsersourcejessie42.0.2311.135-1~deb8u1high
chromium-browsersourcesqueeze(unfixed)end-of-life
chromium-browsersourcewheezy(not affected)
icusource(unstable)52.1-9high784773
icusourcejessie52.1-8+deb8u2highDSA-3323-1
icusourcesqueeze(not affected)
icusourcewheezy4.8.1.1-12+deb7u3highDSA-3323-1

Notes

[wheezy] - icu <not-affected> (Vulnerable code not present)
[squeeze] - icu <not-affected> (Vulnerable code not present)
[wheezy] - chromium-browser <not-affected> (Vulnerable code not present)
[squeeze] - chromium-browser <end-of-life> (Not supported in Squeeze LTS)
Patch: http://bugs.icu-project.org/trac/changeset/37080

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