Stack-based buffer overflow in ImageMagick - CVE-2019-13305

 

Stack-based buffer overflow in ImageMagick - CVE-2019-13305

Published: September 12, 2019


Vulnerability identifier: #VU21077
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/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-2019-13305
CWE-ID: CWE-121
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ImageMagick.org
Affected software:
ImageMagick

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in WritePNMImage in the coders/pnm.c file because of a misplaced "strncpy" and "an off-by-one" error. A remote attacker can trigger stack-based buffer overflow 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-2019-13305

Install updates from vendor's website.

Sources