ZDI-21-660: Adobe RoboHelp Server folderId Directory Traversal Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe RoboHelp Server. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the RoboHelp server. When parsing the folderId parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of SYSTEM.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Adobe RoboHelp |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-21-660?
The severity of ZDI-21-660 is critical due to the potential for remote code execution.
How do I fix ZDI-21-660?
To fix ZDI-21-660, update Adobe RoboHelp Server to the latest version available from Adobe.
Who is affected by ZDI-21-660?
ZDI-21-660 affects installations of Adobe RoboHelp Server that have an exploitable authentication bypass.
What type of vulnerability is ZDI-21-660?
ZDI-21-660 is a remote code execution vulnerability caused by an authentication bypass.
Can ZDI-21-660 be exploited without authentication?
No, ZDI-21-660 requires authentication to exploit, but the authentication can be bypassed.
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