CVE-2022-26158 : Security Advisory and Response

A vulnerability has been discovered in the web application of Cherwell Service Management (CSM) version 10.2.3 that allows for injection of a malicious URL via the Host header, leading to a redirect to an attacker-controlled page.

Understanding CVE-2022-26158

This section will cover the details of the CVE-2022-26158 vulnerability.

What is CVE-2022-26158?

CVE-2022-26158 is a security flaw in Cherwell Service Management (CSM) 10.2.3 that enables an attacker to inject a malicious URL through the Host header, causing a 302 redirect to a page controlled by the attacker.

The Impact of CVE-2022-26158

The exploitation of CVE-2022-26158 could result in unauthorized redirects to potentially malicious websites, leading to phishing attacks or spreading malware.

Technical Details of CVE-2022-26158

In this section, we will delve into the technical aspects of the CVE-2022-26158 vulnerability.

Vulnerability Description

The vulnerability in Cherwell Service Management (CSM) 10.2.3 allows arbitrary domains to be input via the Host header, leading to unauthorized redirection to attacker-controlled pages.

Affected Systems and Versions

The affected version is specifically CSM 10.2.3. Users of this version are at risk of exploitation if the Host header is manipulated.

Exploitation Mechanism

By injecting a malicious URL into the Host header of an HTTP Request, an attacker can trigger a 302 redirect to a webpage they control.

Mitigation and Prevention

This section provides guidance on how to mitigate the risks associated with CVE-2022-26158.

Immediate Steps to Take

Users of CSM 10.2.3 are advised to be cautious of unexpected redirects and verify the URLs they are redirected to for safety.

Long-Term Security Practices

Implementing input validation mechanisms and ensuring secure coding practices can help prevent similar injection vulnerabilities in the future.

Patching and Updates

It is crucial to apply patches and updates released by Cherwell Service Management to address and mitigate the CVE-2022-26158 vulnerability.