CVE-2017-10794 : Exploit Details and Defense Strategies
Learn about CVE-2017-10794, a critical buffer overflow vulnerability in GraphicsMagick 1.3.25 when processing RGB TIFF images with specific metadata settings, posing security risks. Find mitigation steps and prevention measures here.
GraphicsMagick 1.3.25 is susceptible to a buffer overflow vulnerability when processing specific RGB TIFF images. This flaw arises from metadata indicating a single sample per pixel, leading to a potential security risk.
Understanding CVE-2017-10794
This CVE entry highlights a critical buffer overflow issue in GraphicsMagick version 1.3.25, affecting the processing of RGB TIFF images with particular metadata settings.
What is CVE-2017-10794?
A buffer overflow occurs in coders/tiff.c of GraphicsMagick 1.3.25 when handling an RGB TIFF image with metadata indicating a single sample per pixel. The vulnerability is linked to QuantumTransferMode.
The Impact of CVE-2017-10794
The buffer overflow vulnerability in GraphicsMagick 1.3.25 could potentially allow an attacker to execute arbitrary code or crash the application, posing a significant security risk to systems using the affected version.
Technical Details of CVE-2017-10794
GraphicsMagick 1.3.25's vulnerability to buffer overflow in handling specific RGB TIFF images with metadata indicating a single sample per pixel.
Vulnerability Description
The flaw occurs in coders/tiff.c of GraphicsMagick 1.3.25, triggered by processing RGB TIFF images with metadata specifying a single sample per pixel, leading to a buffer overflow.
Affected Systems and Versions
- Product: GraphicsMagick
- Vendor: N/A
- Version: 1.3.25
Exploitation Mechanism
The vulnerability is exploited by crafting a malicious RGB TIFF image with metadata indicating a single sample per pixel, which, when processed by GraphicsMagick 1.3.25, triggers the buffer overflow.
Mitigation and Prevention
Taking immediate steps and implementing long-term security practices are crucial to mitigating the risks associated with CVE-2017-10794.
Immediate Steps to Take
- Update GraphicsMagick to a patched version that addresses the buffer overflow vulnerability.
- Avoid processing untrusted RGB TIFF images with specific metadata settings.
Long-Term Security Practices
- Regularly update software and apply security patches promptly.
- Implement robust input validation mechanisms to prevent buffer overflow vulnerabilities.
Patching and Updates
Ensure timely installation of security updates and patches provided by GraphicsMagick to address the buffer overflow vulnerability.