CVE-2019-19953 : Security Advisory and Response
Learn about CVE-2019-19953, a vulnerability in GraphicsMagick 1.4 snapshot-20191208 Q8 allowing a heap-based buffer over-read in the EncodeImage function. Find mitigation steps and preventive measures here.
GraphicsMagick 1.4 snapshot-20191208 Q8 contains a heap-based buffer over-read issue in the coders/pict.c file, specifically in the EncodeImage function.
Understanding CVE-2019-19953
In GraphicsMagick 1.4 snapshot-20191208 Q8, a specific function is vulnerable to a heap-based buffer over-read issue.
What is CVE-2019-19953?
This CVE refers to a security vulnerability in GraphicsMagick 1.4 snapshot-20191208 Q8, where the EncodeImage function in the coders/pict.c file allows a heap-based buffer over-read.
The Impact of CVE-2019-19953
The vulnerability could potentially be exploited by an attacker to read sensitive information from the affected system's memory, leading to a breach of confidentiality.
Technical Details of CVE-2019-19953
GraphicsMagick 1.4 snapshot-20191208 Q8 is susceptible to a heap-based buffer over-read issue.
Vulnerability Description
The vulnerability exists in the EncodeImage function of the coders/pict.c file in GraphicsMagick 1.4 snapshot-20191208 Q8.
Affected Systems and Versions
- Product: GraphicsMagick
- Vendor: N/A
- Version: N/A
Exploitation Mechanism
Attackers can exploit this vulnerability by crafting a malicious image file that, when processed by GraphicsMagick, triggers the heap-based buffer over-read.
Mitigation and Prevention
It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-19953.
Immediate Steps to Take
- Apply the security patches provided by GraphicsMagick promptly.
- Consider implementing network-level protections to filter out potentially malicious image files.
- Monitor system logs for any suspicious activities that could indicate an exploitation attempt.
Long-Term Security Practices
- Regularly update and patch all software components to prevent known vulnerabilities.
- Conduct security assessments and penetration testing to identify and address potential weaknesses in the system.
Patching and Updates
- Stay informed about security advisories from GraphicsMagick and promptly apply any patches or updates released to address CVE-2019-19953.