CVE-2023-42463 : Security Advisory and Response

This article provides detailed information about CVE-2023-42463, a local privilege escalation vulnerability in the Wazuh logcollector.

Understanding CVE-2023-42463

This CVE record identifies a local privilege escalation vulnerability in the Wazuh logcollector software.

What is CVE-2023-42463?

CVE-2023-42463 is a vulnerability that can be exploited to achieve local privilege escalation in Wazuh logcollector versions prior to 4.5.3.

The Impact of CVE-2023-42463

This vulnerability poses a high-risk threat as it allows attackers to gain elevated privileges on the local system, potentially leading to unauthorized access and control.

Technical Details of CVE-2023-42463

This section covers the technical aspects of CVE-2023-42463.

Vulnerability Description

The vulnerability involves an integer underflow issue that could result in a stack-based buffer overflow, leading to the potential for local privilege escalation.

Affected Systems and Versions

The vulnerability affects Wazuh logcollector versions prior to 4.5.3. Systems running these versions are at risk of exploitation.

Exploitation Mechanism

Attackers can exploit this vulnerability locally, leveraging the stack overflow hazard to escalate privileges on the affected system.

Mitigation and Prevention

To protect systems from CVE-2023-42463, immediate steps and long-term security measures are necessary.

Immediate Steps to Take

Upgrade Wazuh logcollector to version 4.5.3 or newer to apply the patched fix.

Long-Term Security Practices

Regularly monitor for security advisories and updates to stay informed about potential vulnerabilities.
Implement least privilege principles to restrict unauthorized access.

Patching and Updates

Apply security patches and updates promptly to ensure that known vulnerabilities are mitigated effectively.