CVE-2017-17879 : Exploit Details and Defense Strategies
Discover the details of CVE-2017-17879 affecting ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21. Learn about the impact, technical aspects, affected systems, exploitation, and mitigation steps.
ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21 is affected by a heap-based buffer over-read vulnerability in the function ReadOneMNGImage in the file coders/png.c. This CVE was published on December 24, 2017.
Understanding CVE-2017-17879
In this section, we will delve into the details of the CVE-2017-17879 vulnerability.
What is CVE-2017-17879?
CVE-2017-17879 is a heap-based buffer over-read vulnerability found in ImageMagick version 7.0.7-16 Q16 x86_64 2017-12-21. The vulnerability is specifically located in the function ReadOneMNGImage in the file coders/png.c. It stems from an off-by-one error in length calculation.
The Impact of CVE-2017-17879
This vulnerability could be exploited by an attacker to cause a denial of service (DoS) or potentially execute arbitrary code by tricking a user into processing a specially crafted image file.
Technical Details of CVE-2017-17879
Let's explore the technical aspects of CVE-2017-17879.
Vulnerability Description
The vulnerability in ImageMagick 7.0.7-16 Q16 x86_64 2017-12-21 arises from a heap-based buffer over-read in the ReadOneMNGImage function in coders/png.c due to an off-by-one error in length calculation.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: 7.0.7-16 Q16 x86_64 2017-12-21
Exploitation Mechanism
The vulnerability can be exploited by crafting a malicious image file and tricking a user into processing it, leading to a heap-based buffer over-read.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2017-17879.
Immediate Steps to Take
- Update ImageMagick to a patched version that addresses the vulnerability.
- Avoid processing image files from untrusted or unknown sources.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Implement network security measures to detect and block malicious activities.
Patching and Updates
Ensure that ImageMagick is regularly updated to the latest version to mitigate the CVE-2017-17879 vulnerability.