Out-of-Bounds Affecting libmspack package, versions <0.5-1ubuntu0.16.04.1
Threat Intelligence
Exploit maturity not defined.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-LIBMSPACK-324918
- published7 Aug 2017
- disclosed7 Aug 2017
Introduced: 7 Aug 2017
CVE-2017-6419 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 libmspack to version 0.5-1ubuntu0.16.04.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libmspack package and not the libmspack package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-6419
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-6419
- http://www.debian.org/security/2017/dsa-3946
- https://lists.debian.org/debian-lts-announce/2018/02/msg00014.html
- https://security-tracker.debian.org/tracker/CVE-2017-6419
- https://security.gentoo.org/glsa/201804-16
- https://github.com/vrtadmin/clamav-devel/commit/a83773682e856ad6529ba6db8d1792e6d515d7f1
- 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