CVE-2017-11755 : What You Need to Know

ImageMagick version 7.0.6-4 is vulnerable to a memory leak issue in the WritePICONImage function, allowing remote attackers to trigger a denial of service attack.

Understanding CVE-2017-11755

This CVE describes a vulnerability in ImageMagick version 7.0.6-4 that can be exploited by remote attackers to cause a denial of service through a carefully crafted file.

What is CVE-2017-11755?

The vulnerability lies in the mishandling of files during an AcquireSemaphoreInfo call in the WritePICONImage function of ImageMagick version 7.0.6-4.

The Impact of CVE-2017-11755

This vulnerability can be leveraged by remote attackers to exploit a memory leak issue, leading to a denial of service condition on the affected system.

Technical Details of CVE-2017-11755

ImageMagick version 7.0.6-4 is susceptible to the following technical details:

Vulnerability Description

The WritePICONImage function in coders/xpm.c mishandles files, allowing remote attackers to trigger a memory leak and execute a denial of service attack.

Affected Systems and Versions

Product: ImageMagick
Vendor: N/A
Version: 7.0.6-4

Exploitation Mechanism

Remote attackers can exploit this vulnerability by providing a specially crafted file to the WritePICONImage function.

Mitigation and Prevention

To address CVE-2017-11755, consider the following mitigation strategies:

Immediate Steps to Take

Apply vendor-supplied patches or updates promptly.
Implement proper input validation to prevent crafted file exploitation.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Monitor security mailing lists for updates on ImageMagick vulnerabilities.

Patching and Updates

Ensure that ImageMagick version 7.0.6-4 is updated to the latest secure version to prevent exploitation of this vulnerability.