CVE-2017-6420

NameCVE-2017-6420
DescriptionThe wwunpack function in libclamav/wwunpack.c in ClamAV 0.99.2 allows remote attackers to cause a denial of service (use-after-free) via a crafted PE file with WWPack compression.
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-1105-1, DLA-1261-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
clamav (PTS)jessie0.100.0+dfsg-0+deb8u1fixed
jessie (security)0.100.3+dfsg-0+deb8u1fixed
stretch0.100.3+dfsg-0+deb9u1fixed
buster, sid0.101.2+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
clamavsource(unstable)0.99.3~beta1+dfsg-1medium
clamavsourcejessie0.99.2+dfsg-0+deb8u3medium
clamavsourcestretch0.99.2+dfsg-6+deb9u1medium
clamavsourcewheezy0.99.2+dfsg-0+deb7u4mediumDLA-1261-1

Notes

https://bugzilla.clamav.net/show_bug.cgi?id=11798
https://github.com/vrtadmin/clamav-devel/commit/dfc00cd3301a42b571454b51a6102eecf58407bc
https://github.com/vrtadmin/clamav-devel/commit/60671e3deb1df6c626e5c7e13752c2eec1649f98

Search for package or bug name: Reporting problems