Buffer overflow in Clamav
CVE-2017-6419
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (80.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Clamav — versions 0.99.2
- Libmspack Project — versions 0.5
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2018/02/msg00014.html (mailing-list)
- www.debian.org/security/2017/dsa-3946 (vendor-advisory)
- github.com/varsleak/varsleak-vul/blob/master/clamav-vul/heap-overflow/clamav_ch… (Third Party Advisory)
- bugzilla.clamav.net/show_bug.cgi (Issue Tracking)
- security.gentoo.org/glsa/201804-16 (vendor-advisory)
- github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1 (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-6419?
- CVE-2017-6419 is a high-severity vulnerability in Clamav, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2017-08-07.
- How severe is CVE-2017-6419?
- High severity. CVSS v3 base score is 7.8 out of 10.