Out-of-bounds read in libarchive - #VU23840

 

Out-of-bounds read in libarchive - #VU23840

Published: December 30, 2019


Vulnerability identifier: #VU23840
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: N/A
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: libarchive
Affected software:
libarchive

Detailed vulnerability description

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to a boundary condition when processing archives in ARM filter in /libarchive/archive_read_support_format_rar5.c. A remote attacker can create a specially crafted file, pass it to the application, trigger out-of-bounds read error and crash the application.


Remediation

Install updates from vendor's website.

Sources