Off-by-one Error Affecting libmspack-devel package, versions <0.6-3.11.1
Threat Intelligence
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-SLES153-LIBMSPACKDEVEL-2666449
- published14 Apr 2022
- disclosed20 Aug 2021
Introduced: 20 Aug 2021
CVE-2018-14679 (opens in a new tab)How to fix?
Upgrade SLES:15.3 libmspack-devel to version 0.6-3.11.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libmspack-devel package and not the libmspack-devel package as distributed by SLES.
See How to fix? for SLES:15.3 relevant fixed versions and status.
An issue was discovered in mspack/chmd.c in libmspack before 0.7alpha. There is an off-by-one error in the CHM PMGI/PMGL chunk number validity checks, which could lead to denial of service (uninitialized data dereference and application crash).
References
- https://www.suse.com/security/cve/CVE-2018-14679.html
- https://bugzilla.suse.com/1102922
- https://bugzilla.suse.com/1103032
- https://bugzilla.suse.com/1103040
- http://www.openwall.com/lists/oss-security/2018/07/26/1
- http://www.securitytracker.com/id/1041410
- https://access.redhat.com/errata/RHSA-2018:3327
- https://access.redhat.com/errata/RHSA-2018:3505
- https://bugs.debian.org/904802
- https://github.com/kyz/libmspack/commit/72e70a921f0f07fee748aec2274b30784e1d312a
- https://lists.debian.org/debian-lts-announce/2018/08/msg00007.html
- https://security.gentoo.org/glsa/201903-20
- https://usn.ubuntu.com/3728-1/
- https://usn.ubuntu.com/3728-2/
- https://usn.ubuntu.com/3728-3/
- https://usn.ubuntu.com/3789-2/
- https://www.debian.org/security/2018/dsa-4260