CVE-2017-11449 : Exploit Details and Defense Strategies

In ImageMagick version 7.0.6-1, the coders/mpc.c file does not have seekable streams enabled, making it susceptible to a denial of service attack or potentially other impacts when processing an image received from stdin.

Understanding CVE-2017-11449

In this CVE, a vulnerability in ImageMagick version 7.0.6-1 could lead to denial of service attacks or other potential impacts.

What is CVE-2017-11449?

coders/mpc.c in ImageMagick before 7.0.6-1 does not enable seekable streams, allowing remote attackers to cause a denial of service or other impacts via an image received from stdin.

The Impact of CVE-2017-11449

The vulnerability could result in a denial of service (application crash) or potentially have unspecified other impacts when processing an image from stdin.

Technical Details of CVE-2017-11449

ImageMagick version 7.0.6-1 is affected by this vulnerability.

Vulnerability Description

coders/mpc.c file in ImageMagick does not enable seekable streams, leading to the inability to validate blob sizes, which can be exploited by attackers.

Affected Systems and Versions

Product: ImageMagick
Vendor: N/A
Version: 7.0.6-1

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a specially crafted image via stdin, causing a denial of service or other impacts.

Mitigation and Prevention

Immediate action and long-term security practices are crucial to mitigate the risks associated with CVE-2017-11449.

Immediate Steps to Take

Update ImageMagick to a patched version that addresses the seekable streams issue.
Avoid processing images from untrusted sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network security measures to detect and block malicious image inputs.

Patching and Updates

Check for updates from ImageMagick and apply patches as soon as they are available.