Advisory Details

April 24th, 2025

Allegra isZipEntryValide Directory Traversal Remote Code Execution Vulnerability

CVE ID	CVE-2025-3486
CVSS SCORE	7.2, AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AFFECTED VENDORS	Allegra
AFFECTED PRODUCTS	Allegra
VULNERABILITY DETAILS	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.
ADDITIONAL DETAILS	Allegra has issued an update to correct this vulnerability. More details can be found at: https://alltena.com/en/resources/release-notes/release-notes-for-release-8-1-2
DISCLOSURE TIMELINE	2025-04-02 - Vulnerability reported to vendor 2025-04-24 - Coordinated public release of advisory 2025-04-24 - Advisory Updated
CREDIT	Mo0n Sha\xf0\x9d\x84\x9eow (VNPT Cyber Immunity)

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