CVE-2019-14368 : Security Advisory and Response

Exiv2 0.27.99.0 has a heap-based buffer over-read vulnerability in the readMetadata() function of rafimage.cpp.

Understanding CVE-2019-14368

In rafimage.cpp, a heap-based buffer over-read issue was discovered in the readMetadata() function of Exiv2 version 0.27.99.0.

What is CVE-2019-14368?

This CVE refers to a vulnerability in Exiv2 version 0.27.99.0 that allows for a heap-based buffer over-read in the readMetadata() function of rafimage.cpp.

The Impact of CVE-2019-14368

The vulnerability could potentially be exploited by an attacker to read sensitive information from the heap, leading to a compromise of data integrity and confidentiality.

Technical Details of CVE-2019-14368

Exiv2 0.27.99.0 is affected by a heap-based buffer over-read vulnerability in the readMetadata() function of rafimage.cpp.

Vulnerability Description

The vulnerability allows for unintended read access to memory beyond the allocated buffer, potentially exposing sensitive data.

Affected Systems and Versions

Affected Version: 0.27.99.0
Systems using Exiv2 version 0.27.99.0

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious input that triggers the buffer over-read, leading to potential information disclosure.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-14368.

Immediate Steps to Take

Update Exiv2 to a patched version that addresses the heap-based buffer over-read vulnerability.
Monitor for any unusual activities that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and apply security patches to prevent known vulnerabilities.
Implement secure coding practices to minimize the risk of buffer over-read vulnerabilities.

Patching and Updates

Stay informed about security advisories related to Exiv2 and promptly apply patches released by the vendor to address vulnerabilities.