From snsadv@lac.co.jp Tue Jun 12 14:29:09 2001 From: SNS Advisory To: BUGTRAQ Date: Tue, 12 Jun 2001 17:13:26 +0900 Subject: [SNS Advisory No.30] Trend Micro InterScan VirusWall for Windows NT 3.51 reconfiguration without authentication SNS Advisory No.30 Trend Micro InterScan VirusWall for Windows NT 3.51 reconfiguration without authentication Problem first discovered: 24 May 2001 Published: 12 Jun 2001 Last Updated:12 Jun 2001 ----------------------------------------------------------------------- Overview --------- It is possible for a remote user to improperly gain access to admin functions of InterScan VirusWall for Windows NT. Problem Description -------------------- To change configurations via web browser, access to following URL: http://VirusWall/interscan/cgi-bin/interscan.dll Then, no authentication is required and any remote user can change configuration setting. Tested Version --------------- InterScan VirusWall for Windows NT 3.51J Japanese InterScan VirusWall for Windows NT 3.51 English Tested OS ---------- Windows NT 4.0 Server SP6a [English Version] Windows NT 4.0 Server SP6a [Japanese Version] Patch Information ------------------ Trend Micro support team responded nothing. Until the patch will be released, set up access control to refuse access to servers in which InterScan VirusWall is installed by non-administrative user. Discovered by -------------- Nobuo Miwa (LAC / n-miwa@lac.co.jp) Disclaimer ----------- All information in this advisories are subject to change without any advanced notices neither mutual consensus, and each of them is released as it is. LAC Co.,Ltd. is not responsible for any risks of occurrences caused by applying those information. References ---------- Archive of this advisory: http://www.lac.co.jp/security/english/snsadv_e/30_e.html SNS Advisory: http://www.lac.co.jp/security/english/snsadv_e/ LAC: http://www.lac.co.jp/security/english/ ------------------------------------------------------------------ Secure Net Service(SNS) Security Advisory Computer Security Laboratory, LAC http://www.lac.co.jp/security/