ZDI-CAN-22506: ZDI-24-105: Allegra loadFieldMatch Deserialization of Untrusted Data Remote Code Execution Vulnerability

Published Feb 9, 2024
·
Updated

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 loadFieldMatch 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.

Other sources

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 ZDI has assigned a CVSS rating of 9.8. The following CVEs are assigned: CVE-2024-22506.

ZDI

Affected Software

1 affected component
Allegra Allegra

Event History

Feb 9, 2024
Advisory Published
via ZDI·06:00 AM
Data Sourced
via ZDI·06:00 AM
Description
Feb 21, 2025
Advisory Published
via ZDI·08:51 AM

Frequently Asked Questions

1

What is the severity of ZDI-CAN-22506?

ZDI-CAN-22506 has a high severity rating, indicating a significant risk due to the potential for remote code execution.

2

How do I fix ZDI-CAN-22506?

To fix ZDI-CAN-22506, ensure that you apply the latest security patches or updates provided by Allegra.

3

Who is affected by ZDI-CAN-22506?

ZDI-CAN-22506 affects installations of Allegra that have not been updated to the version which addresses this vulnerability.

4

Is authentication required to exploit ZDI-CAN-22506?

Yes, authentication is required to exploit ZDI-CAN-22506, but the vulnerability allows an attacker to create a privileged user.

5

What are the consequences of ZDI-CAN-22506?

If exploited, ZDI-CAN-22506 allows remote attackers to execute arbitrary code, potentially compromising the affected system.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203