CVE-2019-19948 : Security Advisory and Response

ImageMagick 7.0.8-43 Q16 has a vulnerability involving a heap-based buffer overflow.

Understanding CVE-2019-19948

In ImageMagick 7.0.8-43 Q16, a heap-based buffer overflow exists in the function WriteSGIImage of coders/sgi.c.

What is CVE-2019-19948?

This CVE identifies a specific vulnerability in ImageMagick version 7.0.8-43 Q16 related to a heap-based buffer overflow in the WriteSGIImage function.

The Impact of CVE-2019-19948

The vulnerability can be exploited by an attacker to execute arbitrary code or cause a denial of service (DoS) condition on the affected system.

Technical Details of CVE-2019-19948

ImageMagick 7.0.8-43 Q16 is susceptible to a heap-based buffer overflow.

Vulnerability Description

The function WriteSGIImage in coders/sgi.c in ImageMagick 7.0.8-43 Q16 is the source of the heap-based buffer overflow vulnerability.

Affected Systems and Versions

Product: ImageMagick
Vendor: N/A
Version: 7.0.8-43 Q16

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious SGI image file to trigger the buffer overflow.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent exploitation of this vulnerability.

Immediate Steps to Take

Apply security patches provided by ImageMagick promptly.
Consider implementing network security measures to prevent unauthorized access.
Monitor system logs for any suspicious activities.

Long-Term Security Practices

Regularly update and patch software to mitigate potential vulnerabilities.
Conduct security assessments and penetration testing to identify and address weaknesses.
Educate users on safe computing practices to prevent social engineering attacks.

Patching and Updates

Ensure that ImageMagick is updated to a secure version that addresses the heap-based buffer overflow vulnerability.