What is the severity of CVE-2023-51643?

CVE-2023-51643 is classified as a high severity vulnerability due to its potential for remote code execution.

How do I fix CVE-2023-51643?

To fix CVE-2023-51643, upgrade Allegra to version 7.5.2 or later, where the vulnerability has been addressed.

What is the impact of CVE-2023-51643?

CVE-2023-51643 allows authenticated remote attackers to execute arbitrary code, potentially compromising the integrity of the system.

Who is affected by CVE-2023-51643?

CVE-2023-51643 affects Allegra installations prior to version 7.5.2.

Is authentication required to exploit CVE-2023-51643?

Yes, CVE-2023-51643 requires authentication to exploit the vulnerability.

Vulnerability/
CVE-2023-51643

high

7.2

CWE

22/11/2024

3/1/2025

21/2/2025

CVE-2023-51643: Allegra uploadFile Directory Traversal Remote Code Execution Vulnerability

First published: Fri Nov 22 2024(Updated: )

Allegra uploadFile 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, 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. Was ZDI-CAN-22510.

Credit: zdi-disclosures@trendmicro.com

Affected Software	Affected Version	How to fix
Alltena Allegra	<7.5.1
Allegro

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Frequently Asked Questions

What is the severity of CVE-2023-51643?
CVE-2023-51643 is classified as a high severity vulnerability due to its potential for remote code execution.
How do I fix CVE-2023-51643?
To fix CVE-2023-51643, upgrade Allegra to version 7.5.2 or later, where the vulnerability has been addressed.
What is the impact of CVE-2023-51643?
CVE-2023-51643 allows authenticated remote attackers to execute arbitrary code, potentially compromising the integrity of the system.
Who is affected by CVE-2023-51643?
CVE-2023-51643 affects Allegra installations prior to version 7.5.2.
Is authentication required to exploit CVE-2023-51643?
Yes, CVE-2023-51643 requires authentication to exploit the vulnerability.

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