CVE-2017-18210 : What You Need to Know
Learn about CVE-2017-18210, a vulnerability in ImageMagick 7.0.7 that allows attackers to trigger a NULL pointer dereference, potentially leading to denial of service or code execution. Find mitigation steps and preventive measures here.
A vulnerability was discovered in the function BenchmarkOpenCLDevices in the opencl.c file of ImageMagick version 7.0.7. This vulnerability pertains to a NULL pointer dereference issue, which occurs due to the lack of checking the result of a memory allocation.
Understanding CVE-2017-18210
In ImageMagick 7.0.7, a NULL pointer dereference vulnerability was found in the function BenchmarkOpenCLDevices in MagickCore/opencl.c because a memory allocation result is not checked.
What is CVE-2017-18210?
This CVE identifies a vulnerability in ImageMagick version 7.0.7 related to a NULL pointer dereference issue in the BenchmarkOpenCLDevices function.
The Impact of CVE-2017-18210
The vulnerability could potentially lead to a denial of service (DoS) attack or arbitrary code execution by an attacker exploiting the NULL pointer dereference issue.
Technical Details of CVE-2017-18210
Vulnerability Description
The vulnerability exists in the BenchmarkOpenCLDevices function in the opencl.c file of ImageMagick version 7.0.7, resulting from the failure to check the result of a memory allocation.
Affected Systems and Versions
- Affected Product: ImageMagick
- Affected Version: 7.0.7
Exploitation Mechanism
The vulnerability can be exploited by an attacker to trigger a NULL pointer dereference, potentially leading to a DoS condition or arbitrary code execution.
Mitigation and Prevention
Immediate Steps to Take
- Update ImageMagick to a patched version that addresses the NULL pointer dereference vulnerability.
- Implement proper input validation to prevent malicious inputs that could trigger the vulnerability.
Long-Term Security Practices
- Regularly monitor security advisories and updates from ImageMagick to stay informed about potential vulnerabilities.
- Conduct regular security assessments and code reviews to identify and address any similar issues in the software.
Patching and Updates
Ensure timely application of patches and updates released by ImageMagick to mitigate the vulnerability and enhance the overall security posture of the system.