CVE-2017-9471 Explained : Impact and Mitigation
Learn about CVE-2017-9471, a vulnerability in ytnef 1.9.2 that can lead to a denial of service when exploited by remote attackers. Find out how to mitigate and prevent this issue.
This CVE-2017-9471 article provides insights into a vulnerability in ytnef 1.9.2 that can lead to a denial of service when exploited by remote attackers.
Understanding CVE-2017-9471
What is CVE-2017-9471?
In ytnef 1.9.2, a crafted file can trigger a denial of service (heap-based buffer over-read and application crash) through the SwapWord function in lib/ytnef.c.
The Impact of CVE-2017-9471
Exploitation by remote attackers can result in a denial of service, potentially causing application crashes.
Technical Details of CVE-2017-9471
Vulnerability Description
The vulnerability in ytnef 1.9.2 allows remote attackers to exploit the SwapWord function in lib/ytnef.c, leading to a denial of service.
Affected Systems and Versions
- Product: n/a
- Vendor: n/a
- Version: 1.9.2
Exploitation Mechanism
The vulnerability can be exploited by remote attackers through a crafted file triggering a heap-based buffer over-read.
Mitigation and Prevention
Immediate Steps to Take
- Apply patches provided by the vendor promptly.
- Monitor vendor advisories for updates and security patches.
Long-Term Security Practices
- Regularly update software and systems to mitigate known vulnerabilities.
- Implement network security measures to prevent remote exploitation.
Patching and Updates
Ensure that the affected systems are updated with the latest patches and security fixes.