Buffer overflow in libarchive - #VU25338
Published: February 13, 2020
Vulnerability identifier: #VU25338
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in libarchive/archive_read_support_format_rar5.c when processing RAR5 archive headers. A remote attacker can create a specially crafted RAR5 archive, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
libarchive
Slackware Linux
Slackware Linux
Remediation
Install updates from vendor's website.
libarchive - update to 3.4.2