CVE-2017-11577 : Vulnerability Insights and Analysis

FontForge version 20161012 is susceptible to a buffer over-read vulnerability in getsid (parsettf.c), potentially leading to denial of service or code execution when processing a specially crafted otf file.

Understanding CVE-2017-11577

FontForge 20161012 vulnerability with buffer over-read in getsid (parsettf.c) leading to DoS or code execution.

What is CVE-2017-11577?

FontForge version 20161012 has a security flaw where a buffer over-read can occur in getsid (parsettf.c), allowing attackers to trigger denial of service or execute arbitrary code by crafting a malicious otf file.

The Impact of CVE-2017-11577

This vulnerability in FontForge can have severe consequences, including denial of service attacks or potential execution of malicious code by exploiting the buffer over-read issue.

Technical Details of CVE-2017-11577

FontForge version 20161012 vulnerability details.

Vulnerability Description

The security flaw in FontForge version 20161012 allows for a buffer over-read in getsid (parsettf.c), which can be exploited to cause denial of service or execute arbitrary code through a specially crafted otf file.

Affected Systems and Versions

Product: FontForge
Version: 20161012

Exploitation Mechanism

Attackers can exploit this vulnerability by creating a specifically crafted otf file to trigger the buffer over-read in getsid (parsettf.c) and potentially achieve denial of service or execute arbitrary code.

Mitigation and Prevention

Protecting systems from CVE-2017-11577.

Immediate Steps to Take

Update FontForge to a patched version that addresses the buffer over-read vulnerability.
Avoid opening otf files from untrusted or unknown sources.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement network and file scanning for malicious content to prevent exploitation of vulnerabilities.

Patching and Updates

Ensure that FontForge is regularly updated to the latest version to mitigate the buffer over-read vulnerability and enhance overall system security.