#VU14161 Improper input validation in libmspack - CVE-2018-14680
Published: August 1, 2018
Vulnerability identifier: #VU14161
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-14680
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
libmspack
libmspack
Software vendor:
Stuart Caie
Stuart Caie
Description
The vulnerability allows a local attacker to cause DoS condition on the target system.
The vulnerability exists due to the chmd_read_headers() function, as defined in the mspack/chmd.c source code file of the affected software, does not reject blank CHM filenames. A local attacker can submit a CHM file with a blank filename and cause the service to crash.
Remediation
Update to version 0.7.