NULL pointer dereference in Kyzer Libmspack
CVE-2018-18585
chmd_read_headers in mspack/chmd.c in libmspack before 0.8alpha accepts a filename that has '\0' as its first or second character (such as the "/\0" name).
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.031 (87.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.031 · newest: 0.031 · change: 0.000
Affected products
- Kyzer Libmspack — versions 0.3, 0.4, 0.5
- Starwindsoftware Starwind Virtual San
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 8.0
- Red Hat Enterprise Linux Desktop — versions 7.0
- Red Hat Enterprise Linux Server — versions 7.0
- Red Hat Enterprise Linux Workstation — versions 7.0
- SUSE Linux Enterprise Server — versions 11, 12
Weakness classification (CWE)
References
- usn.ubuntu.com/3814-3/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3814-1/ (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3814-2/ (vendor-advisory, Third Party Advisory)
- github.com/kyz/libmspack/commit/8759da8db6ec9e866cb8eb143313f397f925bb4f (Exploit, Third Party Advisory)
- www.openwall.com/lists/oss-security/2018/10/22/1 (Patch, Mailing List, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2018/10/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- bugs.debian.org/911637 (Mailing List, Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/201903-20 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2019:2049 (vendor-advisory, Third Party Advisory)
- www.starwindsoftware.com/security/sw-20181213-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-18585?
- CVE-2018-18585 is a medium-severity vulnerability in Kyzer Libmspack, classified under NULL Pointer Dereference. CVSS score: 4.3/10. Published 2018-10-23.
- How severe is CVE-2018-18585?
- Medium severity. CVSS v3 base score is 4.3 out of 10.