CVE-2021-35474 : Exploit Details and Defense Strategies

A stack-based Buffer Overflow vulnerability has been identified in the cachekey plugin of Apache Traffic Server which impacts versions 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, and 9.0.0 to 9.0.1.

Understanding CVE-2021-35474

The CVE-2021-35474 refers to a dynamic stack buffer overflow in the cachekey plugin of Apache Traffic Server.

What is CVE-2021-35474?

The CVE-2021-35474 is a Stack-based Buffer Overflow vulnerability found in the cachekey plugin of Apache Traffic Server. It affects versions 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, and 9.0.0 to 9.0.1.

The Impact of CVE-2021-35474

This vulnerability could allow an attacker to execute arbitrary code on the targeted system, potentially leading to a complete system compromise.

Technical Details of CVE-2021-35474

The technical details of CVE-2021-35474 include:

Vulnerability Description

The vulnerability is a stack-based buffer overflow in the cachekey plugin of Apache Traffic Server.

Affected Systems and Versions

Apache Traffic Server versions 7.0.0 to 7.1.12, 8.0.0 to 8.1.1, and 9.0.0 to 9.0.1 are affected by this vulnerability.

Exploitation Mechanism

By exploiting this vulnerability, an attacker can trigger a stack-based buffer overflow in the cachekey plugin, potentially leading to the execution of arbitrary code.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-35474, consider the following steps:

Immediate Steps to Take

Apply the latest security patches provided by Apache Software Foundation.
Monitor official security channels for any updates or additional guidance.

Long-Term Security Practices

Regularly update Apache Traffic Server to the latest versions.
Implement network security measures to minimize the risk of remote attacks.

Patching and Updates

Stay informed about security updates and patches released by Apache Software Foundation to address this vulnerability.