helpsystems cobalt-strike CVE-2022-42948 is a vulnerability in Helpsystems Cobalt Strike
Published on March 24, 2023

Cobalt Strike 4.7.1 fails to properly escape HTML tags when they are displayed on Swing components. By injecting crafted HTML code, it is possible to remotely execute code in the Cobalt Strike UI.

Vendor Advisory NVD

Known Exploited Vulnerability

This Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Fortra Cobalt Strike User Interface contains an unspecified vulnerability rooted in Java Swing that may allow remote code execution.

The following remediation steps are recommended / required by April 20, 2023: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2022-42948 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. It has the highest possible exploitability rating (3.9). The potential impact of an exploit of this vulnerability is considered to be critical as this vulnerability has a high impact to the confidentiality, integrity and availability of this component.

What is an Output Sanitization Vulnerability?

The software prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved.

CVE-2022-42948 has been classified to as an Output Sanitization vulnerability or weakness.


Products Associated with CVE-2022-42948

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What versions of Cobalt Strike are vulnerable to CVE-2022-42948?