CVE-2017-11576 Explained : Impact and Mitigation
Learn about CVE-2017-11576, a FontForge 20161012 vulnerability that can lead to a denial of service (DoS) attack by a crafted malicious otf file. Find out how to mitigate this issue.
FontForge 20161012 has a vulnerability that can lead to a denial of service (DoS) attack if exploited.
Understanding CVE-2017-11576
FontForge 20161012 vulnerability allowing a DoS attack.
What is CVE-2017-11576?
The issue in FontForge 20161012 can result in a DoS attack due to a lack of size validation in a specific function.
The Impact of CVE-2017-11576
Exploitation of this vulnerability can lead to a denial of service (DoS) attack by a crafted malicious otf file.
Technical Details of CVE-2017-11576
FontForge 20161012 vulnerability details.
Vulnerability Description
The vulnerability lies in the readcfftopdict function of the parsettf.c file, where a positive size is not guaranteed in a weight vector memcpy call.
Affected Systems and Versions
- Product: FontForge 20161012
- Version: Not specified
Exploitation Mechanism
The vulnerability can be exploited by an attacker crafting a malicious otf file to trigger the issue.
Mitigation and Prevention
Protecting systems from CVE-2017-11576.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor.
- Avoid opening untrusted otf files.
Long-Term Security Practices
- Regularly update software to the latest versions.
- Implement file validation checks to prevent malicious file execution.
Patching and Updates
Ensure that FontForge is updated to a patched version to mitigate the vulnerability.