CVE-2019-6455 : What You Need to Know

A flaw has been found in GNU Recutils 1.8, specifically in the file rec-mset.c. The function rec_mset_elem_destroy() encounters a double-free vulnerability.

Understanding CVE-2019-6455

An issue was discovered in GNU Recutils 1.8. There is a double-free problem in the function rec_mset_elem_destroy() in the file rec-mset.c.

What is CVE-2019-6455?

CVE-2019-6455 is a vulnerability in GNU Recutils 1.8 that allows attackers to exploit a double-free vulnerability in the rec_mset_elem_destroy() function.

The Impact of CVE-2019-6455

This vulnerability could be exploited by malicious actors to execute arbitrary code or cause a denial of service (DoS) condition on systems running the affected version of GNU Recutils.

Technical Details of CVE-2019-6455

The technical details of CVE-2019-6455 include:

Vulnerability Description

Vulnerability Type: Double-free vulnerability
Affected Component: rec-mset.c
Function: rec_mset_elem_destroy()

Affected Systems and Versions

Affected Version: GNU Recutils 1.8

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a malicious input that triggers the double-free condition in the rec_mset_elem_destroy() function.

Mitigation and Prevention

To mitigate the risks associated with CVE-2019-6455, consider the following steps:

Immediate Steps to Take

Update to a patched version of GNU Recutils.
Monitor for any unusual system behavior that could indicate exploitation of the vulnerability.

Long-Term Security Practices

Regularly update software and apply security patches.
Conduct security audits to identify and address vulnerabilities proactively.

Patching and Updates

Stay informed about security advisories related to GNU Recutils and promptly apply any patches released by the vendor.