AlienVault Unified Security Management Remote Authentication Bypass Vulnerability

ID ZDI-16-517
Type zdi
Reporter Peter Lapp (lappsec)
Modified 2016-06-22T00:00:00


This vulnerability allows remote attackers to bypass authentication requirements on vulnerable installations of AlienVault Unified Security Manager. Authentication is not required to exploit this vulnerability. The specific flaw exists within the logcheck function in By providing a specific value as a user-agent, an attacker can bypass authentication to a number of pages. In addition to viewing information, it's possible to modify the application and achieve arbitrary code execution as root.