Microsoft Internet Security and Acceleration Server 2000 contains an elevation of privilege vulnerability that allows an attacker to create unintended NetBIOS service connections within the affected ISA Server host.
Microsoft ISA Server 2000 contains firewall, virtual private networking, and web caching solutions. ISA Server 2000 contains a flaw in NetBIOS handling that allows an attacker to connect to NetBIOS services on the ISA Server 2000 host.
A remote, unauthenticated attacker may be able to connect to NetBIOS services on the affected ISA Server if the ISA Server host has enabled the NetBIOS (all) predefined packet filter.
Apply An Update
Please see Microsoft Security Bulletin MS05-034 for more information, such as workarounds and patches.
Thanks to Microsoft for information on this issue, who in turn credit Steve Orrin of Watchfire with reporting this vulnerability.
This document was written by Ken MacInnis.
|Date First Published:||2005-06-14|
|Date Last Updated:||2005-07-06 18:00 UTC|