#VU59099 OS Command Injection in gegl - CVE-2021-45463

Vulnerability identifier: #VU59099

Vulnerability risk: High

CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-45463

CWE-ID: CWE-78

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
gegl

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation, when a pathname in a constructed command line is not escaped or filtered. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

gegl: 0.0.4 - 0.4.32

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External links
https://gitlab.gnome.org/GNOME/gegl/-/commit/bfce470f0f2f37968862129d5038b35429f2909b
https://gitlab.gnome.org/GNOME/gegl/-/blob/master/docs/NEWS.adoc
https://gitlab.gnome.org/GNOME/gimp/-/commit/e8a31ba4f2ce7e6bc34882dc27c97fba993f5868
https://www.gimp.org/news/2021/12/21/gimp-2-10-30-released/

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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.