| Name | CVE-2017-6420 |
| Description | The 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1105-1, DLA-1261-1 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| clamav (PTS) | jessie, jessie (lts) | 0.103.9+dfsg-0+deb8u1 | fixed |
| stretch (security) | 0.103.6+dfsg-0+deb9u1 | fixed |
| stretch (lts), stretch | 0.103.9+dfsg-0+deb9u1 | fixed |
| buster (security), buster, buster (lts) | 0.103.9+dfsg-0+deb10u1 | fixed |
| bullseye | 0.103.10+dfsg-0+deb11u1 | fixed |
| bookworm | 1.0.7+dfsg-1~deb12u1 | fixed |
| sid, trixie | 1.4.1+dfsg-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| clamav | source | wheezy | 0.99.2+dfsg-0+deb7u4 | | DLA-1261-1 | |
| clamav | source | jessie | 0.99.2+dfsg-0+deb8u3 | | | |
| clamav | source | stretch | 0.99.2+dfsg-6+deb9u1 | | | |
| clamav | source | (unstable) | 0.99.3~beta1+dfsg-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