#VU62908 Path traversal in UnRar - CVE-2022-30333

Vulnerability identifier: #VU62908

Vulnerability risk: Low

CVSSv4.0: 4.6 [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: Network

Exploit availability: Yes

Vulnerable software:
UnRar
Client/Desktop applications / Software for archiving

Vendor: RARLAB

Description

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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

UnRar: 6.0.3 - 6.11

---

External links
https://www.rarlab.com/rar_add.htm

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.