CVE-2023-51648 Allegra getFileContentAsString Directory Traversal Information Disclosure Vulnerability

High 7.5 Published Updated

Remote attackers can exploit a path traversal flaw in Allegra to disclose sensitive information and stored credentials, potentially leading to further system compromise.

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-2023-51648?

CVE-2023-51648 is a high-severity 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 getFileContentAsString Directory Traversal Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information on affected installations of Allegra. Although authentication is required to exploit this vulnerability, the product implements a registration mechanism that can be used to create a new user with a sufficient privilege level.

The specific flaw exists within the getFileContentAsString 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 disclose stored credentials, leading to further compromise. Was ZDI-CAN-22530.

Weakness: CWE-22

Which versions are affected by CVE-2023-51648?

It affects 1 product.

Products include Alltena Allegra.

How do I fix CVE-2023-51648?

No fix has been published for CVE-2023-51648 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-2023-51648 being exploited?

There is no known exploitation of CVE-2023-51648 in the wild and no public exploit code.

Sources

Also known as GHSA-qrm7-h6wj-g2mx.

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