ZDI-25-255: Allegra isZipEntryValide Directory Traversal Remote Code Execution Vulnerability
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Allegra. Authentication is required to exploit this vulnerability. The specific flaw exists within the implementation of the isZipEntryValide 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. Authentication is required to exploit this vulnerability. The ZDI has assigned a CVSS rating of 7.2. The following CVEs are assigned: CVE-2025-3486.
— ZDI
Affected Software
Event History
Frequently Asked Questions
What is the severity of ZDI-25-255?
The severity of ZDI-25-255 is rated at 7.2 on the CVSS scale.
How do I fix ZDI-25-255?
To mitigate ZDI-25-255, ensure that software updates and patches from Allegra are applied promptly.
Who can exploit ZDI-25-255?
ZDI-25-255 can be exploited by remote attackers who have valid authentication credentials.
What type of vulnerability is ZDI-25-255?
ZDI-25-255 is classified as a remote code execution vulnerability.
What products are affected by ZDI-25-255?
ZDI-25-255 affects installations of Allegra software.