DescriptionThe ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) 0.83, and other versions vefore 0.86, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cabinet (CAB) file with the cffile_FolderOffset field set to 0xff, which causes a zero-length read.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, web search, more)
ReferencesDSA-737-1, DTSA-3-1
NVD severitylow (attack range: remote, user-initiated)
Debian Bugs316401, 316462
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)squeeze0.98.1+dfsg-1+deb6u3fixed
squeeze (lts)0.98.7+dfsg-0+deb6u2fixed
stretch, sid0.98.7+dfsg-4fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsource(unstable)0.86.1medium316401, 316462

Search for package or bug name: Reporting problems