ZDI-CAN-22548: ZDI-24-104: Allegra saveFile 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, product implements a registration mechanism that can be used to create a user with a sufficient privilege level. The specific flaw exists within the saveFile 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.
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-2024-22548.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-CAN-22548?
The severity of ZDI-CAN-22548 is critical, as it allows remote attackers to execute arbitrary code on affected Allegra installations.
How do I fix ZDI-CAN-22548?
To fix ZDI-CAN-22548, you need to apply the necessary security patches provided by Allegra for your specific product version.
Who is affected by ZDI-CAN-22548?
Allegra users with installations that implement the vulnerable registration mechanism are affected by ZDI-CAN-22548.
Can ZDI-CAN-22548 be exploited without authentication?
No, ZDI-CAN-22548 requires authentication to exploit the vulnerability.
What type of attacks does ZDI-CAN-22548 enable?
ZDI-CAN-22548 enables remote code execution attacks on affected installations of Allegra.