Path Traversal in Kyzer Libmspack
CVE-2018-18586
chmextract.c in the chmextract sample program, as distributed with libmspack before 0.8alpha, does not protect against absolute/relative pathnames in CHM files, leading to Directory Traversal. NOTE: the vendor disputes that this is a libmspack vulnerability, because chmextract.c was only intended as a source-code example, not a supported application
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.033 (87.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Kyzer Libmspack — versions 0.3, 0.4, 0.5
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Exploit, x_refsource_MISC, Vendor Advisory)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
- cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
Frequently asked questions
- What is CVE-2018-18586?
- CVE-2018-18586 is a medium-severity vulnerability in Kyzer Libmspack, classified under Path Traversal. CVSS score: 5.3/10. Published 2018-10-23.
- How severe is CVE-2018-18586?
- Medium severity. CVSS v3 base score is 5.3 out of 10.