CVE-2018-1303 : Security Advisory and Response

The Apache HTTP Server before version 2.4.30 could experience a crash due to a specific HTTP request header, potentially leading to a Denial of Service attack. This vulnerability affects versions 2.4.5 to 2.4.29.

Understanding CVE-2018-1303

This CVE involves a potential out-of-bound read vulnerability in mod_cache_socache in the Apache HTTP Server.

What is CVE-2018-1303?

A specially crafted HTTP request header could crash the Apache HTTP Server due to an out-of-bound read while preparing data for caching in shared memory. The risk is low as mod_cache_socache is not widely used.

The Impact of CVE-2018-1303

The vulnerability could be exploited for a Denial of Service attack against users of mod_cache_socache.
Not a high-risk vulnerability as mod_cache_socache is not extensively utilized.

Technical Details of CVE-2018-1303

This section provides more in-depth technical information about the CVE.

Vulnerability Description

Out-of-bound read vulnerability in mod_cache_socache.

Affected Systems and Versions

Product: Apache HTTP Server
Vendor: Apache Software Foundation
Versions Affected: 2.4.5 to 2.4.29

Exploitation Mechanism

Crash occurs during the preparation of data for caching in shared memory.

Mitigation and Prevention

Protecting systems from CVE-2018-1303 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update Apache HTTP Server to version 2.4.30 or newer.
Monitor vendor advisories for patches and updates.

Long-Term Security Practices

Regularly update and patch software to mitigate known vulnerabilities.
Implement network security measures to detect and prevent DoS attacks.

Patching and Updates

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