CVE-2018-1312 : Vulnerability Insights and Analysis

Apache HTTP Server versions 2.0.42 to 2.4.29 were affected by a vulnerability related to the generation of nonces during HTTP Digest authentication challenges.

Understanding CVE-2018-1312

This CVE entry pertains to a security issue in Apache HTTP Server versions 2.0.42 to 2.4.29.

What is CVE-2018-1312?

In Apache httpd 2.2.0 to 2.4.29, a flaw in generating HTTP Digest authentication nonces could allow attackers to replay HTTP requests across servers undetected.

The Impact of CVE-2018-1312

The vulnerability could enable attackers to replay HTTP requests across a cluster of servers sharing a common Digest authentication configuration without detection.

Technical Details of CVE-2018-1312

Apache HTTP Server vulnerability details.

Vulnerability Description

The issue stemmed from the incorrect generation of nonces during HTTP Digest authentication challenges, potentially leading to replay attacks.

Affected Systems and Versions

Product: Apache HTTP Server
Vendor: Apache Software Foundation
Versions Affected: 2.0.42 to 2.4.29

Exploitation Mechanism

Attackers could exploit the vulnerability to replay HTTP requests across servers within a shared Digest authentication configuration.

Mitigation and Prevention

Protecting systems from CVE-2018-1312.

Immediate Steps to Take

Update Apache HTTP Server to a non-vulnerable version.
Implement network-level security controls to detect and prevent replay attacks.

Long-Term Security Practices

Regularly monitor and audit network traffic for unusual patterns.
Employ strong encryption and authentication mechanisms to enhance security.

Patching and Updates

Apply patches provided by Apache Software Foundation to address the nonce generation vulnerability.