CVE-2018-18586

Description

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

Weakness classification

• CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Primary references

• cve@mitre.org — Mailing List, Third Party Advisory
• cve@mitre.org — Exploit, Vendor Advisory
• cve@mitre.org — Third Party Advisory
• cve@mitre.org — Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Exploit, Vendor Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory
• af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory