CVE-2017-17502 : Vulnerability Insights and Analysis
Learn about CVE-2017-17502 affecting GraphicsMagick 1.3.26. Discover the impact, affected systems, exploitation method, and mitigation steps to secure your systems.
GraphicsMagick 1.3.26's ReadCMYKImage() function in coders/cmyk.c is vulnerable to a heap-based buffer over-read via a crafted file.
Understanding CVE-2017-17502
What is CVE-2017-17502?
The vulnerability lies in the ImportCMYKQuantumType() function in magick/import.c within GraphicsMagick version 1.3.26, allowing exploitation through a maliciously crafted file.
The Impact of CVE-2017-17502
This vulnerability could be exploited by an attacker to execute arbitrary code or cause a denial of service by crashing the application.
Technical Details of CVE-2017-17502
Vulnerability Description
The vulnerability in GraphicsMagick 1.3.26 allows a heap-based buffer over-read via a crafted file, specifically in the ImportCMYKQuantumType() function.
Affected Systems and Versions
- Product: GraphicsMagick
- Vendor: N/A
- Version: 1.3.26
Exploitation Mechanism
The vulnerability can be exploited by enticing a user to open a specially crafted file, triggering the buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Apply the patches provided by GraphicsMagick promptly.
- Avoid opening files from untrusted or unknown sources.
- Implement file type and content validation mechanisms.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Conduct security training to educate users on identifying and handling suspicious files.
Patching and Updates
Ensure that you update GraphicsMagick to a patched version that addresses the heap-based buffer over-read vulnerability.