#VU106971 Improper Neutralization of Argument Delimiters in a Command in XZ Utils - CVE-2024-47611

Vulnerability identifier: #VU106971

Vulnerability 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

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
XZ Utils
Universal components / Libraries / Libraries used by multiple products

Vendor: tukaani.org

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

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

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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.