CVE-2017-6313 : Security Advisory and Response
Learn about CVE-2017-6313, a vulnerability in gdk-pixbuf allowing denial of service attacks due to an integer underflow issue. Find out the impact, affected systems, exploitation method, and mitigation steps.
This CVE-2017-6313 article provides insights into a vulnerability in gdk-pixbuf that allows for a denial of service attack due to an integer underflow issue.
Understanding CVE-2017-6313
What is CVE-2017-6313?
The vulnerability in the load_resources function in io-icns.c in gdk-pixbuf can be exploited by attackers manipulating image entry size in an ICO file, leading to a program crash.
The Impact of CVE-2017-6313
The vulnerability results in an out-of-bounds read, causing a denial of service, and potentially crashing the program.
Technical Details of CVE-2017-6313
Vulnerability Description
The integer underflow in gdk-pixbuf's load_resources function allows context-dependent attackers to trigger a denial of service via a crafted image entry size in an ICO file.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Affected Version: Not applicable
Exploitation Mechanism
- Attackers exploit the vulnerability by providing a manipulated image entry size in an ICO file, leading to an out-of-bounds read and program crash.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Avoid opening untrusted ICO files.
Long-Term Security Practices
- Regularly update software and libraries to the latest versions.
- Implement proper input validation mechanisms to prevent similar vulnerabilities.
Patching and Updates
- Check for security advisories from gdk-pixbuf's vendor.
- Apply recommended security updates to address the vulnerability.