CVE-2019-15139 : Exploit Details and Defense Strategies
Learn about CVE-2019-15139, a vulnerability in ImageMagick version 7.0.8-41 Q16 that allows attackers to trigger a denial-of-service attack by exploiting the XWD image parsing component. Find mitigation steps and prevention measures here.
An issue has been discovered in the XWD image parsing component of ImageMagick version 7.0.8-41 Q16, allowing attackers to generate a denial-of-service attack by exploiting a vulnerability in the ReadXWDImage function.
Understanding CVE-2019-15139
This CVE involves a specific vulnerability in the XWD image parsing component of ImageMagick version 7.0.8-41 Q16 that can lead to a denial-of-service attack.
What is CVE-2019-15139?
The XWD image parsing component in ImageMagick 7.0.8-41 Q16 is susceptible to a denial-of-service attack caused by an out-of-bounds Read in the ReadXWDImage function in coders/xwd.c. Attackers can trigger this vulnerability by creating a corrupted XWD image file.
The Impact of CVE-2019-15139
- Attackers can exploit this vulnerability to crash the application, resulting in a denial-of-service condition.
Technical Details of CVE-2019-15139
This section provides more technical insights into the vulnerability.
Vulnerability Description
The vulnerability in the XWD image parsing component of ImageMagick version 7.0.8-41 Q16 allows attackers to cause a denial-of-service by crafting a corrupted XWD image file.
Affected Systems and Versions
- ImageMagick version 7.0.8-41 Q16 is affected by this vulnerability.
Exploitation Mechanism
- Attackers can exploit this vulnerability by creating a corrupted XWD image file, triggering an out-of-bounds Read in the ReadXWDImage function.
Mitigation and Prevention
Protecting systems from CVE-2019-15139 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security updates provided by ImageMagick promptly.
- Monitor official sources for patches and advisories related to this vulnerability.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Implement network security measures to detect and prevent exploitation attempts.
Patching and Updates
- Ensure that the latest patches and updates for ImageMagick are applied to address CVE-2019-15139.