#VU25750 Buffer overflow in libarchive - CVE-2020-9308
Published: March 3, 2020 / Updated: June 17, 2020
Vulnerability identifier: #VU25750
Vulnerability risk: High
CVSSv4.0: 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/E:U/U:Amber
CVE-ID: CVE-2020-9308
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
libarchive
libarchive
Software vendor:
libarchive
libarchive
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing RAR5 files in archive_read_support_format_rar5.c in libarchive. A remote attacker can create a specially crafted RAR5 file, 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.
Remediation
Install updates from vendor's website.