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-24-106?
ZDI-24-106 is a high-severity vulnerability that allows remote code execution on Allegra installations.
How do I fix ZDI-24-106?
To mitigate ZDI-24-106, ensure that all Allegra software is updated to the latest version provided by the vendor.
Who is affected by ZDI-24-106?
ZDI-24-106 affects installations of Allegra that utilize the vulnerable registration mechanism.
What type of vulnerability is ZDI-24-106?
ZDI-24-106 is classified as a remote code execution vulnerability.
Is authentication necessary to exploit ZDI-24-106?
Yes, authentication is required to exploit ZDI-24-106, but it can be bypassed through the registration mechanism.