ZDI-24-103: Allegra uploadFile Directory Traversal Remote Code Execution Vulnerability
First published: Fri Feb 09 2024(Updated: )
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Although authentication is required to exploit this vulnerability, the existing authentication mechanism can be bypassed. The specific flaw exists within the uploadFile method. The issue results from the lack of proper validation of a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Allegro |
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Reference Links
Frequently Asked Questions
What is the severity of ZDI-24-103?
The severity of ZDI-24-103 is high due to its potential for remote code execution.
How do I fix ZDI-24-103?
To fix ZDI-24-103, ensure that you update Allegra to the latest version where the vulnerability has been patched.
Who is affected by ZDI-24-103?
ZDI-24-103 affects installations of Allegra, particularly those with the vulnerable uploadFile method.
What type of attacks can exploit ZDI-24-103?
ZDI-24-103 can be exploited through remote code execution if the authentication mechanism is bypassed.
Is user authentication required to exploit ZDI-24-103?
Yes, user authentication is required to exploit ZDI-24-103, but it can be bypassed.
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