ZDI-CAN-23453: ZDI-24-1164: Allegra unzipFile Directory Traversal Remote Code Execution Vulnerability

Published Aug 22, 2024

Updated

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability. The specific flaw exists within the unzipFile 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.

Other sources

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2024-5581.

— ZDI

Affected Software

1 affected component

Allegra Allegra

Event History

Aug 22, 2024

Advisory Published

via ZDI·05:00 AM

Data Sourced

via ZDI·05:00 AM

Description

Feb 21, 2025

Advisory Published

via ZDI·08:51 AM

Frequently Asked Questions

What is the severity of ZDI-CAN-23453?

The severity of ZDI-CAN-23453 is considered critical due to the potential for remote code execution.

How do I fix ZDI-CAN-23453?

To fix ZDI-CAN-23453, update the Allegra software to the latest version that addresses this vulnerability.

What does ZDI-CAN-23453 allow an attacker to do?

ZDI-CAN-23453 allows remote attackers to execute arbitrary code on affected installations of Allegra.

Is authentication required to exploit ZDI-CAN-23453?

Yes, authentication is required to exploit the ZDI-CAN-23453 vulnerability.

In which method does the flaw in ZDI-CAN-23453 exist?

The flaw in ZDI-CAN-23453 exists within the unzipFile method of the Allegra application.