CVE-2016-4343

NameCVE-2016-4343
DescriptionThe phar_make_dirstream function in ext/phar/dirstream.c in PHP before 5.6.18 and 7.x before 7.0.3 mishandles zero-size ././@LongLink files, which allows remote attackers to cause a denial of service (uninitialized pointer dereference) or possibly have unspecified other impact via a crafted TAR archive.
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)
ReferencesDLA-499-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
php5 (PTS)jessie5.6.33+dfsg-0+deb8u1fixed
jessie (security)5.6.40+dfsg-0+deb8u6fixed
php7.0 (PTS)stretch7.0.33-0+deb9u3fixed
stretch (security)7.0.33-0+deb9u5fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
php5source(unstable)5.6.18+dfsg-1medium
php5sourcejessie5.6.18+dfsg-0+deb8u1medium
php5sourcewheezy5.4.45-0+deb7u3mediumDLA-499-1
php7.0source(unstable)7.0.3-1medium

Notes

https://bugs.php.net/bug.php?id=71331
Fixed in 7.0.3, 5.6.18

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