CVE-2017-6363 : Security Advisory and Response
Learn about the heap-based buffer over-read vulnerability in the GD Graphics Library version 2.2.5 (LibGD). Find out how to mitigate risks and prevent exploitation of CVE-2017-6363.
Version 2.2.5 of the GD Graphics Library, also known as LibGD, contains a vulnerability in the tiffWriter function located in gd_tiff.c. The vendor considers this issue as not eligible for a CVE due to the obsolete nature of the affected formats.
Understanding CVE-2017-6363
This CVE involves a heap-based buffer over-read in the GD Graphics Library.
What is CVE-2017-6363?
The vulnerability in the tiffWriter function in gd_tiff.c of LibGD version 2.2.5 is classified as a heap-based buffer over-read.
The Impact of CVE-2017-6363
The impact of this vulnerability could lead to potential security risks and exploitation of the affected systems.
Technical Details of CVE-2017-6363
Version 2.2.5 of the GD Graphics Library (LibGD) is affected by this vulnerability.
Vulnerability Description
The vulnerability is a heap-based buffer over-read in the tiffWriter function in gd_tiff.c.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: n/a
Exploitation Mechanism
The vulnerability can be exploited through the tiffWriter function in gd_tiff.c.
Mitigation and Prevention
It is essential to take immediate steps to address and prevent potential exploitation.
Immediate Steps to Take
- Avoid using the GD and GD2 formats for production purposes.
- Regularly check for updates and patches from the vendor.
Long-Term Security Practices
- Consider migrating to alternative, supported formats for production use.
- Implement secure coding practices and conduct regular security assessments.
- Stay informed about security advisories and updates from the vendor.
- Monitor for any signs of exploitation or unusual activities.
Patching and Updates
- Stay updated with the vendor's communications regarding patches and updates to address this vulnerability.