CVE-2016-4073

NameCVE-2016-4073
DescriptionMultiple integer overflows in the mbfl_strcut function in ext/mbstring/libmbfl/mbfl/mbfilter.c in PHP before 5.5.34, 5.6.x before 5.6.20, and 7.x before 7.0.5 allow remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted mb_strcut call.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-499-1, DSA-3560-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)wheezy5.4.45-0+deb7u2vulnerable
wheezy (security)5.4.45-0+deb7u11fixed
jessie (security), jessie5.6.30+dfsg-0+deb8u1fixed
php7.0 (PTS)stretch7.0.19-1fixed
buster, sid7.0.26-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)5.6.20+dfsg-1high
php5sourcejessie5.6.20+dfsg-0+deb8u1highDSA-3560-1
php5sourcewheezy5.4.45-0+deb7u3highDLA-499-1
php7.0source(unstable)7.0.5-1high

Notes

Fixed in 7.0.5, 5.6.20, 5.5.34
https://bugs.php.net/bug.php?id=71906
https://gist.github.com/smalyshev/d8355c96a657cc5dba70
https://git.php.net/?p=php-src.git;a=commit;h=64f42c73efc58e88671ad76b6b6bc8e2b62713e1
http://www.openwall.com/lists/oss-security/2016/04/11/7

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