Path traversal in UnRar - CVE-2022-30333

Vulnerability identifier: #VU62908

CSH Severity: Low

CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:A/U:Clear

CVE-ID: CVE-2022-30333

CWE-ID: CWE-22

Exploitation vector: Remote access

Exploit availability: The vulnerability is being exploited in the wild

Affected software:
UnRar
Gentoo Linux
Ubuntu
clamav (Ubuntu package)
libclamunrar9 (Ubuntu package)
libclamunrar11 (Ubuntu package)
libunrar5 (Ubuntu package)
unrar (Ubuntu package)
app-arch/unrar
app-arch/rar
rar (Ubuntu package)

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences when extracting files from archive. A remote attacker can create a specially crafted archive and overwrite arbitrary files on the system with privileges of the current user.

The vulnerability affects Linux and UNIX systems.

Install update from vendor's website.

• https://www.rarlab.com/rar_add.htm