CVE-2017-11539 : Exploit Details and Defense Strategies
Learn about CVE-2017-11539 affecting ImageMagick version 7.0.6-1. Discover the impact, affected systems, exploitation method, and mitigation steps.
ImageMagick version 7.0.6-1 is vulnerable to a Memory Leak when processing a modified file through the convert function.
Understanding CVE-2017-11539
What is CVE-2017-11539?
ImageMagick 7.0.6-1, when handling a modified file via the convert function, can trigger a Memory Leak in the ReadOnePNGImage() function in coders/png.c.
The Impact of CVE-2017-11539
This vulnerability could potentially allow an attacker to execute arbitrary code or cause a denial of service by exploiting the Memory Leak.
Technical Details of CVE-2017-11539
Vulnerability Description
The issue arises from improper handling of crafted files in ImageMagick, leading to a Memory Leak in the ReadOnePNGImage() function.
Affected Systems and Versions
- Affected Version: 7.0.6-1
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious file and tricking a user into processing it with the convert function in ImageMagick.
Mitigation and Prevention
Immediate Steps to Take
- Avoid processing untrusted or unknown image files with ImageMagick.
- Consider using alternative image processing tools until a patch is available.
Long-Term Security Practices
- Regularly update ImageMagick to the latest version to mitigate known vulnerabilities.
Patching and Updates
- Apply patches or updates provided by ImageMagick to address this Memory Leak vulnerability.