#VU83626 Out-of-bounds write in GraphicsMagick - CVE-2020-21679
Published: December 3, 2023
Vulnerability identifier: #VU83626
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-2020-21679
CWE-ID: CWE-787
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
GraphicsMagick
GraphicsMagick
Software vendor:
GraphicsMagick Group
GraphicsMagick Group
Description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted input within the WritePCXImage() function in pcx.c. A remote attacker can pass a specially crafted file to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.
Remediation
Install updates from vendor's website.