CVE-2017-11636 Explained : Impact and Mitigation
Learn about CVE-2017-11636, a heap overflow vulnerability in GraphicsMagick 1.3.26 WriteRGBImage() function when processing frames with different widths. Find mitigation steps and patching details here.
GraphicsMagick 1.3.26 has a heap overflow vulnerability in the WriteRGBImage() function, allowing exploitation when processing frames with varying widths.
Understanding CVE-2017-11636
What is CVE-2017-11636?
In GraphicsMagick 1.3.26, a heap overflow issue in the WriteRGBImage() function poses a security risk during the processing of frames with different widths.
The Impact of CVE-2017-11636
This vulnerability could be exploited by an attacker to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2017-11636
Vulnerability Description
The vulnerability exists in the WriteRGBImage() function of GraphicsMagick 1.3.26, triggered when handling frames with non-identical widths.
Affected Systems and Versions
- Product: GraphicsMagick 1.3.26
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
The vulnerability arises when multiple frames with different widths are processed, leading to a heap overflow issue.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by GraphicsMagick to address the vulnerability.
- Monitor vendor advisories for any updates or security patches.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement secure coding practices to prevent buffer overflows and other memory-related vulnerabilities.
Patching and Updates
- GraphicsMagick has released patches to fix the heap overflow issue in the WriteRGBImage() function.