CVE-2017-17788 : Security Advisory and Response

GIMP 2.8.22's xcf_load_stream function in app/xcf/xcf.c is susceptible to a stack-based buffer over-read due to a missing '\0' character.

Understanding CVE-2017-17788

This CVE involves a vulnerability in GIMP 2.8.22 that can lead to a stack-based buffer over-read.

What is CVE-2017-17788?

In GIMP 2.8.22, a stack-based buffer over-read occurs in the xcf_load_stream function in app/xcf/xcf.c when the version string lacks a terminating '\0' character.

The Impact of CVE-2017-17788

The vulnerability could potentially be exploited to cause a denial of service or disclose sensitive information from the application's memory.

Technical Details of CVE-2017-17788

Gaining insight into the technical aspects of the vulnerability.

Vulnerability Description

The issue arises in GIMP 2.8.22 due to a stack-based buffer over-read in the xcf_load_stream function when the version string is not properly terminated.

Affected Systems and Versions

Product: GIMP 2.8.22
Vendor: N/A
Versions: N/A

Exploitation Mechanism

The vulnerability can be exploited by crafting a malicious xcf file that triggers the stack-based buffer over-read when loaded by GIMP.

Mitigation and Prevention

Understanding how to address and prevent the CVE.

Immediate Steps to Take

Update GIMP to a patched version that addresses the buffer over-read issue.
Avoid opening xcf files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software to the latest versions to mitigate known vulnerabilities.
Employ security tools and practices to detect and prevent buffer over-read vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates provided by GIMP to fix the buffer over-read vulnerability.