CVE-2023-52333 Allegra saveFile Directory Traversal Remote Code Execution Vulnerability

Critical 9.8 Published Updated

Remote attackers can execute arbitrary code via directory traversal in the saveFile method, requiring only a registered user account.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2023-52333?

CVE-2023-52333 is a critical path traversal vulnerability in Allegra, published on 22 Nov 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Allegra saveFile Directory Traversal Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Although authentication is required to exploit this vulnerability, product implements a registration mechanism that can be used to create a user with a sufficient privilege level.

The specific flaw exists within the saveFile 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. Was ZDI-CAN-22548.

Weakness: CWE-22

Which versions are affected by CVE-2023-52333?

It affects 1 product.

Products include Alltena Allegra.

How do I fix CVE-2023-52333?

No fix has been published for CVE-2023-52333 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-52333 being exploited?

There is no known exploitation of CVE-2023-52333 in the wild and no public exploit code.

Sources

Also known as GHSA-3g45-m7q2-c5g9.

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