CVE-2019-6458 : Security Advisory and Response

A memory leakage vulnerability was discovered in version 1.8 of GNU Recutils, affecting the function rec_buf_new within the library librec.a.

Understanding CVE-2019-6458

This CVE involves a memory leak issue in GNU Recutils 1.8.

What is CVE-2019-6458?

This CVE identifies a memory leakage problem in the function rec_buf_new when called from rec_parse_rset in the library librec.a.

The Impact of CVE-2019-6458

The vulnerability could potentially be exploited by attackers to cause a denial of service or execute arbitrary code on the affected system.

Technical Details of CVE-2019-6458

This section provides technical details of the CVE.

Vulnerability Description

The vulnerability exists in version 1.8 of GNU Recutils due to a memory leak in the rec_buf_new function.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Version: Not applicable

Exploitation Mechanism

The memory leakage occurs in the function rec_buf_new, located in the file rec-buf.c, when invoked by rec_parse_rset in rec-parser.c within librec.a.

Mitigation and Prevention

Protect your systems from CVE-2019-6458 with the following measures.

Immediate Steps to Take

Monitor vendor updates for patches addressing the memory leakage issue.
Implement strict input validation to prevent potential exploitation.

Long-Term Security Practices

Regularly update software and libraries to the latest versions.
Conduct security audits to identify and address memory-related vulnerabilities.

Patching and Updates

Apply patches provided by the vendor to fix the memory leakage vulnerability in GNU Recutils 1.8.