Kevin Finisterre has reported a vulnerability in Kerio WebSTAR, which can be exploited by malicious, local users to gain escalated privileges.
The vulnerability is caused due to the "WSAdminServer" and "WSWebServer" applications trying to load the "libucache.dylib" library from the current directory. This can be exploited to execute arbitrary code with "root" privileges.
Successful exploitation requires that the attacker is part of the "admin" group or the "webstar" user.
The vulnerability is reported in version 5.4.2. Other versions may also be affected.
Solution: Restrict access to trusted people only.
Provided and/or discovered by: Kevin Finisterre
Original Advisory: http://www.digitalmunition.com/DMA%5B2006-1115a%5D.txt
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