CVE-2023-51641: Allegra renderFieldMatch Deserialization of Unstrusted Data Remote Code Execution Vulnerability

Published Nov 22, 2024
·
Updated

Allegra renderFieldMatch Deserialization of Unstrusted Data 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 renderFieldMatch method. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of LOCAL SERVICE. Was ZDI-CAN-22505.

Affected Software

2 affected components
Alltena Allegra<7.5.1
Allegra Allegra

Event History

Nov 22, 2024
CVE Published
via MITRE·08:05 PM
Data Sourced
via MITRE·08:05 PM
DescriptionSeverityWeakness
Feb 21, 2025
Advisory Published
via ZDI·08:51 AM
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Frequently Asked Questions

1

What is the severity of CVE-2023-51641?

CVE-2023-51641 has a high severity rating due to its potential for remote code execution.

2

How do I fix CVE-2023-51641?

To fix CVE-2023-51641, upgrade Allegra to version 7.5.2 or later as per the vendor's recommendations.

3

What systems are affected by CVE-2023-51641?

CVE-2023-51641 affects Allegra versions prior to 7.5.2.

4

Is authentication required to exploit CVE-2023-51641?

Yes, CVE-2023-51641 requires authentication to exploit the vulnerability.

5

What type of vulnerability is CVE-2023-51641?

CVE-2023-51641 is categorized as a deserialization of untrusted data vulnerability.

Contact

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