CVE-2020-1944 : Exploit Details and Defense Strategies

A vulnerability in Apache Traffic Server versions 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 allows a smuggling attack on Transfer-Encoding and Content-Length headers.

Understanding CVE-2020-1944

This CVE involves an Information Disclosure vulnerability in Apache Traffic Server.

What is CVE-2020-1944?

CVE-2020-1944 is a security vulnerability affecting Apache Traffic Server versions 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5. It enables a smuggling attack targeting Transfer-Encoding and Content-Length headers.

The Impact of CVE-2020-1944

The vulnerability can result in Information Disclosure, where attackers may gain unauthorized access to sensitive data through the mentioned headers.

Technical Details of CVE-2020-1944

This section provides detailed technical insights into the CVE-2020-1944 vulnerability.

Vulnerability Description

The flaw allows for a smuggling attack on Transfer-Encoding and Content-Length headers, potentially leading to information disclosure.

Affected Systems and Versions

Apache Traffic Server 6.0.0 to 6.2.3
Apache Traffic Server 7.0.0 to 7.1.8
Apache Traffic Server 8.0.0 to 8.0.5

Exploitation Mechanism

Attackers exploit the vulnerability by manipulating Transfer-Encoding and Content-Length headers to gain unauthorized access to sensitive information.

Mitigation and Prevention

Protect your systems from CVE-2020-1944 using the following measures:

Immediate Steps to Take

Upgrade to Apache Traffic Server versions 7.1.9 and 8.0.6 or later.

Long-Term Security Practices

Regularly monitor and patch vulnerabilities.
Implement secure coding practices and review header manipulation methods.

Patching and Updates

Apply security patches promptly to ensure your systems are protected from known vulnerabilities.