Argument injection in XZ Utils

1) Improper Neutralization of Argument Delimiters in a Command

EUVDB-ID: #VU106971

Risk: High

CVSSv4.0: 4.8 [CVSS:4.0/AV:N/AC:H/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-2024-47611

CWE-ID: CWE-88 - Argument Injection or Modification

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to improper validation of arguments passed via command line to the application. A remote attacker can pass specially crafted input to the application (e.g. using a command with Unicode characters in a filename) and execute arbitrary OS commands on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

XZ Utils: 5.6.0 - 5.6.2

CPE2.3

• cpe:2.3:a:tukaani.org:xz:5.6.0:*:*:*:*:*:*:*
• cpe:2.3:a:tukaani.org:xz:5.6.1:*:*:*:*:*:*:*
• cpe:2.3:a:tukaani.org:xz:5.6.2:*:*:*:*:*:*:*

External links

https://github.com/tukaani-project/xz/security/advisories/GHSA-m538-c5qw-3cg4
https://github.com/tukaani-project/xz/commit/bf518b9ba446327a062ddfe67e7e0a5baed2394f

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.