Code Injection in gThumb - CVE-2019-20326
Published: March 16, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30332
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2019-20326
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Gnome Development Team
Affected software:
gThumb
gThumb
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to improper input validation in a crafted JPEG file. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
How to mitigate CVE-2019-20326
Update to version 3.8.3.
Sources
- https://github.com/Fysac/CVE-2019-20326
- https://gitlab.gnome.org/GNOME/gthumb/commit/4faa5ce2358812d23a1147953ee76f59631590ad
- https://gitlab.gnome.org/GNOME/gthumb/commit/ca8f528209ab78935c30e42fe53bdf1a24f3cb44
- https://gitlab.gnome.org/GNOME/gthumb/commits/master/extensions/cairo_io/cairo-image-surface-jpeg.c