CVE-2019-14373 : Security Advisory and Response

A vulnerability has been discovered in the image_save_png function within the Free Lossless Image Format (FLIF) version 0.3, allowing attackers to exploit a heap-based buffer over-read in libpng.

Understanding CVE-2019-14373

This CVE identifies a specific vulnerability in FLIF version 0.3 that can be exploited by malicious actors.

What is CVE-2019-14373?

The vulnerability in the image_save_png function in FLIF 0.3 enables attackers to trigger a heap-based buffer over-read in libpng using a specially crafted flif file.

The Impact of CVE-2019-14373

The exploitation of this vulnerability can lead to potential security breaches and unauthorized access to sensitive information stored in affected systems.

Technical Details of CVE-2019-14373

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows attackers to perform a heap-based buffer over-read in libpng through a manipulated flif file.

Affected Systems and Versions

Product: Free Lossless Image Format (FLIF)
Version: 0.3
Status: Affected

Exploitation Mechanism

Attackers can exploit this vulnerability by utilizing a specially crafted flif file to trigger the heap-based buffer over-read in libpng.

Mitigation and Prevention

Protecting systems from CVE-2019-14373 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update FLIF to a patched version or consider alternative image processing libraries.
Implement network security measures to detect and block malicious file uploads.

Long-Term Security Practices

Regularly monitor and update software components to address known vulnerabilities.
Conduct security assessments and penetration testing to identify and mitigate potential risks.

Patching and Updates

Stay informed about security advisories and patches released by FLIF developers.
Apply security patches promptly to mitigate the risk of exploitation.