5.3

CVE-2018-18586

Exploit
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
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Kyzer ≫ Libmspack Version 0.3 Update alpha
Kyzer ≫ Libmspack Version 0.4 Update alpha
Kyzer ≫ Libmspack Version 0.5 Update alpha
Kyzer ≫ Libmspack Version 0.6 Update alpha
Kyzer ≫ Libmspack Version 0.7 Update alpha
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 3.28% 0.869
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 5.3 3.9 1.4
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
NIST 5 10 2.9
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

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