CVE-2021-35233 : Security Advisory and Response

A detailed overview of CVE-2021-35233, a vulnerability in Kiwi Syslog Server by SolarWinds that exposes sensitive information through HTTP TRACK & TRACE methods.

Understanding CVE-2021-35233

This CVE highlights a security issue in Kiwi Syslog Server that could lead to the disclosure of sensitive data.

What is CVE-2021-35233?

The vulnerability allows HTTP TRACK & TRACE methods in Kiwi Syslog Server 9.7.1 and earlier. Enabling these methods could expose internal authentication headers to clients.

The Impact of CVE-2021-35233

If exploited, this vulnerability could disclose sensitive information like authentication headers inserted by reverse proxies, compromising the system's security.

Technical Details of CVE-2021-35233

This section provides a closer look at the vulnerability.

Vulnerability Description

HTTP TRACK & TRACE methods in Kiwi Syslog Server 9.7.1 and earlier may expose exact HTTP requests back to the client, potentially revealing sensitive internal information.

Affected Systems and Versions

The vulnerability affects Kiwi Syslog Server versions 9.7.2 and previous on the Windows platform.

Exploitation Mechanism

By enabling HTTP TRACK & TRACE methods, an attacker can send requests to retrieve exact HTTP data, including sensitive information.

Mitigation and Prevention

Discover how to address and prevent the CVE-2021-35233 vulnerability.

Immediate Steps to Take

Upgrade to the latest version of Kiwi Syslog Server 9.8 as soon as possible to mitigate the risk of data exposure.

Long-Term Security Practices

Ensure proper configuration and security measures are in place to prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories from SolarWinds and promptly apply any patches or updates provided.