CVE-2019-11474 : Exploit Details and Defense Strategies
Learn about CVE-2019-11474, a vulnerability in GraphicsMagick 1.3.31 that allows attackers to cause a denial of service by crafting a malicious XWD image file. Find out the impact, affected systems, exploitation method, and mitigation steps.
GraphicsMagick 1.3.31's coders/xwd.c file contains a vulnerability that can be exploited to cause a denial of service by creating a specially crafted XWD image file. This CVE is distinct from CVE-2019-11008 and CVE-2019-11009.
Understanding CVE-2019-11474
This CVE pertains to a specific vulnerability in GraphicsMagick 1.3.31 that allows attackers to trigger a denial of service attack.
What is CVE-2019-11474?
coders/xwd.c in GraphicsMagick 1.3.31 enables attackers to induce a denial of service (DoS) by creating a malicious XWD image file.
The Impact of CVE-2019-11474
- Attackers can exploit this vulnerability to cause a floating-point exception and crash the application.
- This vulnerability can lead to service disruption and potential system instability.
Technical Details of CVE-2019-11474
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The vulnerability in coders/xwd.c in GraphicsMagick 1.3.31 allows attackers to trigger a denial of service by manipulating XWD image files.
Affected Systems and Versions
- Product: GraphicsMagick
- Vendor: N/A
- Version: 1.3.31
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious XWD image file, leading to a DoS condition.
Mitigation and Prevention
Protecting systems from CVE-2019-11474 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply patches or updates provided by GraphicsMagick promptly.
- Implement network security measures to prevent unauthorized access to vulnerable systems.
- Monitor system logs for any suspicious activities that could indicate an ongoing attack.
Long-Term Security Practices
- Regularly update and patch software to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate weaknesses.
- Educate users and IT staff on best practices for handling potentially malicious files.
Patching and Updates
- Stay informed about security advisories from GraphicsMagick and apply patches as soon as they are released.