Heap-based buffer overflow in ImageMagick - CVE-2020-27829
Published: May 9, 2022
Vulnerability identifier: #VU62871
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-27829
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to an incorrect setting of the pixel array size in coders/tiff.c. A remote attacker can pass specially crafted data to the application, trigger heap-based buffer overflow and perform a denial of service attack.
Affected software
ImageMagick
How to mitigate CVE-2020-27829
Install updates from vendor's website.
ImageMagick - update to 7.0.10-45