CVE-2019-10079 : Exploit Details and Defense Strategies

Apache Traffic Server is vulnerable to HTTP/2 setting flood attacks due to a lack of restriction on the number of setting frames sent by clients. Upgrading to specific versions is recommended to address this issue.

Understanding CVE-2019-10079

Apache Traffic Server vulnerability allowing HTTP/2 setting flood attacks.

What is CVE-2019-10079?

Apache Traffic Server is susceptible to HTTP/2 setting flood attacks, where clients can send an unlimited number of setting frames, potentially leading to denial of service.

The Impact of CVE-2019-10079

Allows for potential denial of service attacks through HTTP/2 setting flood attacks.

Technical Details of CVE-2019-10079

Apache Traffic Server vulnerability specifics.

Vulnerability Description

Lack of restriction on setting frames in HTTP/2 protocol.

Affected Systems and Versions

Apache Traffic Server versions 6.0.0 to 6.2.3, 7.0.0 to 7.1.6, and 8.0.0 to 8.0.3.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a large number of setting frames using the HTTP/2 protocol.

Mitigation and Prevention

Steps to address and prevent CVE-2019-10079.

Immediate Steps to Take

Upgrade to Apache Traffic Server version 7.1.7, 8.0.4, or any subsequent releases.

Long-Term Security Practices

Regularly update software to the latest versions to patch vulnerabilities.
Monitor and restrict excessive traffic to prevent potential denial of service attacks.

Patching and Updates

Stay informed about security updates and apply patches promptly to mitigate known vulnerabilities.