CVE-2017-17682 : Vulnerability Insights and Analysis
Discover the impact of CVE-2017-17682 on ImageMagick. Learn about the vulnerability in ExtractPostscript function, affected systems, exploitation mechanism, and mitigation steps.
A significant weakness was discovered in the function ExtractPostscript in coders/wpg.c of version 7.0.7-12 Q16 of ImageMagick, allowing attackers to launch a denial of service attack by exploiting a crafted wpg image file.
Understanding CVE-2017-17682
What is CVE-2017-17682?
In ImageMagick 7.0.7-12 Q16, a vulnerability in the ExtractPostscript function in coders/wpg.c allows attackers to cause a denial of service (CPU exhaustion) by manipulating a specific wpg image file.
The Impact of CVE-2017-17682
This vulnerability enables attackers to trigger a denial of service attack, leading to CPU exhaustion by exploiting a crafted wpg image file.
Technical Details of CVE-2017-17682
Vulnerability Description
A large loop vulnerability in the ExtractPostscript function in ImageMagick 7.0.7-12 Q16 allows attackers to exploit a crafted wpg image file, causing CPU exhaustion.
Affected Systems and Versions
- Product: ImageMagick
- Vendor: N/A
- Version: 7.0.7-12 Q16
Exploitation Mechanism
The exploit operates by triggering a ReadWPGImage call in the crafted wpg image file.
Mitigation and Prevention
Immediate Steps to Take
- Apply the latest security updates provided by ImageMagick.
- Avoid opening or processing untrusted wpg image files.
Long-Term Security Practices
- Regularly update and patch ImageMagick to mitigate known vulnerabilities.
Patching and Updates
Ensure that ImageMagick is regularly updated with the latest security patches to address vulnerabilities.