#VU67161 Heap-based buffer overflow in Gnome gdk-pixbuf - CVE-2021-44648
Published: September 11, 2022
Vulnerability identifier: #VU67161
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/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-2021-44648
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Gnome gdk-pixbuf
Gnome gdk-pixbuf
Software vendor:
Gnome Development Team
Gnome Development Team
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when decoding the lzw compressed stream of image data in GIF files. A remote attacker can trick the victim to open a specially crafted GIF file, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.
External links
- https://gitlab.gnome.org/GNOME/gdk-pixbuf/-/issues/136
- https://sahildhar.github.io/blogpost/GdkPixbuf-Heap-Buffer-Overflow-in-lzw_decoder_new/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/JEVTOGIJITK2N5AOOLKKMDIICZDQE6CH/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PEKBMOO52RXONWKB6ZKKHTVPLF6WC3KF/