#VU48908 Infinite loop in Gnome gdk-pixbuf - CVE-2020-29385

Vulnerability identifier: #VU48908

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-29385

CWE-ID: CWE-835

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gnome gdk-pixbuf
Universal components / Libraries / Libraries used by multiple products

Vendor: Gnome Development Team

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the write_indexes() function in gdk-pixbuf/lzw.c. A remote attacker can pass specially crafted GIF image to the application, consume all available CPU resources and cause denial of service conditions.

Mitigation
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Gnome gdk-pixbuf: 2.39.2 - 2.40.0

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External links
https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/164

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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.