CVE-2017-6419
high
CVSS v3
7.8
CVSS v4 NEW
—
VIR risk
7.8
Description
mspack/lzxd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2, allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted CHM file.
Predictions
Exploit likelihood
75%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1:0.6alpha-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 0.99.3~beta1+dfsg-1 |
| debian | bullseye | fixed | 0.99.3~beta1+dfsg-1 |
| debian | forky | fixed | 0.99.3~beta1+dfsg-1 |
| debian | sid | fixed | 0.99.3~beta1+dfsg-1 |
| debian | trixie | fixed | 0.99.3~beta1+dfsg-1 |
References
- https://security.archlinux.org/ASA-201802-9
- https://security.archlinux.org/ASA-201803-14
- http://www.debian.org/security/2017/dsa-3946
- https://bugzilla.clamav.net/show_bug.cgi?id=11701
- https://github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_chm_crash.md
- https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1
- https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
- https://security.gentoo.org/glsa/201804-16
- https://www.suse.com/security/cve/CVE-2017-6419.html
- https://security-tracker.debian.org/tracker/CVE-2017-6419
CWEs
CWE-119
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.