ZDI-CAN-22505: ZDI-24-106: 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.
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-2024-22505.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-22505?
The severity of ZDI-CAN-22505 is critical due to its potential for arbitrary code execution.
How do I fix ZDI-CAN-22505?
To address ZDI-CAN-22505, update to the latest version of Allegra that includes the security patch.
What are the consequences of exploiting ZDI-CAN-22505?
Exploiting ZDI-CAN-22505 can allow remote attackers to execute arbitrary code with the privileges of the affected user.
Who is affected by ZDI-CAN-22505?
Organizations using affected installations of Allegra are at risk of ZDI-CAN-22505.
Is authentication required to exploit ZDI-CAN-22505?
Yes, authentication is required to exploit ZDI-CAN-22505, but it may be possible for attackers to create a user account with sufficient privileges.