Infinite loop in Gnome gdk-pixbuf - CVE-2020-29385
Published: December 10, 2020
Vulnerability identifier: #VU48908
CSH Severity: Medium
CVSS v4: 8.7 [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]
CVE-ID: CVE-2020-29385
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
Gnome gdk-pixbuf
Arch Linux
Gentoo Linux
Ubuntu
gdk-pixbuf (Alpine package)
libgdk-pixbuf2.0-0 (Ubuntu package)
Arch Linux
Gentoo Linux
Ubuntu
gdk-pixbuf (Alpine package)
libgdk-pixbuf2.0-0 (Ubuntu package)
How to mitigate CVE-2020-29385
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
gdk-pixbuf (Alpine package) - update to 2.42.2-r0
libgdk-pixbuf2.0-0 (Ubuntu package) - addressed in versions 2.40.0+dfsg-3ubuntu0.1, 2.40.0+dfsg-5ubuntu0.1
libgdk-pixbuf2.0-0 (Ubuntu package) - addressed in versions 2.40.0+dfsg-3ubuntu0.1, 2.40.0+dfsg-5ubuntu0.1