CVE-2017-11464 : Exploit Details and Defense Strategies

This CVE-2017-11464 article provides insights into a vulnerability in GNOME librsvg 2.40.17 that leads to a SIGFPE error during SVG file parsing.

Understanding CVE-2017-11464

This section delves into the details of the vulnerability and its impact.

What is CVE-2017-11464?

CVE-2017-11464 is a vulnerability in GNOME librsvg 2.40.17 that arises due to incorrect protection against division by zero in the function box_blur_line of rsvg-filter.c. This flaw triggers a SIGFPE when processing customized SVG files.

The Impact of CVE-2017-11464

The vulnerability allows attackers to cause a denial of service (DoS) by crafting malicious SVG files that exploit the division by zero issue, leading to a SIGFPE error.

Technical Details of CVE-2017-11464

This section provides a deeper dive into the technical aspects of the CVE.

Vulnerability Description

In GNOME librsvg 2.40.17, the function box_blur_line in rsvg-filter.c lacks proper protection against division by zero, resulting in a SIGFPE error during the parsing of specially crafted SVG files.

Affected Systems and Versions

Affected Version: GNOME librsvg 2.40.17

Exploitation Mechanism

Attackers can exploit this vulnerability by creating malicious SVG files that trigger the division by zero flaw in the box_blur_line function, leading to a SIGFPE error.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2017-11464.

Immediate Steps to Take

Update GNOME librsvg to the latest version to patch the vulnerability.
Avoid opening untrusted SVG files from unknown or unverified sources.

Long-Term Security Practices

Regularly update software and libraries to address known vulnerabilities.
Implement proper input validation and sanitization techniques to prevent similar issues in the future.

Patching and Updates

Ensure timely installation of security patches and updates for GNOME librsvg to mitigate the CVE-2017-11464 vulnerability.