Out-of-bounds Read in Clamav
CVE-2017-11423
The cabd_read_string function in mspack/cabd.c in libmspack 0.5alpha, as used in ClamAV 0.99.2 and other products, allows remote attackers to cause a denial of service (stack-based buffer over-read and application crash) via a crafted CAB file.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (81.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · 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/hackerlib/hackerlib-vul/tree/master/clamav-vul (Third Party Advisory)
- security.gentoo.org/glsa/201804-16 (vendor-advisory)
- bugzilla.clamav.net/show_bug.cgi (Permissions Required)
Frequently asked questions
- What is CVE-2017-11423?
- CVE-2017-11423 is a medium-severity vulnerability in Clamav, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-07-18.
- How severe is CVE-2017-11423?
- Medium severity. CVSS v3 base score is 5.5 out of 10.