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VULNERABILITIES

CVE-2018-18586 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://bugs.debian.org/911639 CVEMailing ListThird Party Advisory
https://github.com/kyz/libmspack/commit/7cadd489698be117c47efcadd742651594429e6d CVEExploitVendor Advisory
https://security.gentoo.org/glsa/201903-20 CVEThird Party Advisory
https://www.openwall.com/lists/oss-security/2018/10/22/1 CVEMailing ListThird Party Advisory
https://bugs.debian.org/911639 [email protected]Mailing ListThird Party Advisory

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')[email protected]

Affected Products

ProductVersions
kyzer libmspack
0.3 alpha
0.4 alpha
0.5 alpha
0.6 alpha
0.7 alpha

CPE

  • cpe:2.3:a:kyzer:libmspack:0.3:alpha:*:*:*:*:*:*
  • cpe:2.3:a:kyzer:libmspack:0.4:alpha:*:*:*:*:*:*
  • cpe:2.3:a:kyzer:libmspack:0.5:alpha:*:*:*:*:*:*
  • cpe:2.3:a:kyzer:libmspack:0.6:alpha:*:*:*:*:*:*
  • cpe:2.3:a:kyzer:libmspack:0.7:alpha:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

11 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-18586
NVD Published Date:
Oct 23, 2018
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-18586 Details - Not Deferred