Learn about CVE-2019-13306, a stack-based buffer overflow vulnerability in ImageMagick 7.0.8-50 Q16 that allows attackers to execute arbitrary code or cause denial of service. Find mitigation steps and update recommendations here.
ImageMagick 7.0.8-50 Q16 has encountered a stack-based buffer overflow issue in the pnm.c file within the coders directory due to off-by-one errors.
Understanding CVE-2019-13306
What is CVE-2019-13306?
CVE-2019-13306 is a vulnerability in ImageMagick version 7.0.8-50 Q16 that leads to a stack-based buffer overflow in the pnm.c file.
The Impact of CVE-2019-13306
This vulnerability can be exploited to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2019-13306
Vulnerability Description
The issue arises from off-by-one errors in the WritePNMImage function in coders/pnm.c, resulting in a stack-based buffer overflow.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious image file that triggers the buffer overflow when processed by ImageMagick.
Mitigation and Prevention
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that ImageMagick is updated to a version that includes the fix for the stack-based buffer overflow vulnerability.