#VU92078 Input validation error in WinRAR - CVE-2024–36052

Vulnerability identifier: #VU92078

Vulnerability risk: Low

CVSSv4.0: 0.2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024–36052

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: RARLAB

Description

The vulnerability allows a remote attacker to perform a denial of service or spoofing attack.

The vulnerability exists due to insufficient validation of ANSI escape sequences within the CLI interface. A remote attacker can pass specially crafted input via CLI and spoof the archive output or perform a denial of service (DoS) attack.

Note, the vulnerability affects Windows installations only.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

WinRAR: 3.20 - 6.24

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External links
https://www.rarlab.com/rarnew.htm
https://sdushantha.medium.com/ansi-escape-injection-vulnerability-in-winrar-a2cbfac4b983

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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?

No. We are not aware of malware exploiting this vulnerability.