CVE-2018-18586 Information

Description

LICENSE README.md cvefilelist cvelist nvdcve nvdpages.sh scripts test-CVE-2017-1882.markdown test-CVE-2017-18822.markdown tmpvendorlinks DISPUTED LICENSE README.md cvefilelist cvelist nvdcve nvdpages.sh scripts test-CVE-2017-1882.markdown test-CVE-2017-18822.markdown tmpvendorlinks 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.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Reference

https://bugs.debian.org/911639 https://github.com/kyz/libmspack/commit/7cadd489698be117c47efcadd742651594429e6d https://security.gentoo.org/glsa/201903-20 https://www.openwall.com/lists/oss-security/2018/10/22/1

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

NONE

Base Score

NONE

Base Severity

5.3