Microsoft Index Server webhits.dll allows remote directory traversal
| http-indexserver-dirtrans (3884) |  Medium Risk |
Description:
Microsoft Index Server could allow a remote attacker to view files on the Web server. Microsoft Index Server is a Web search engine included in the Windows NT 4.0 Option Pack and incorporated as Indexing Services in Windows 2000. A vulnerability in the webhits.dll file allows a remote attacker to search outside virtual directories by requesting a specially-crafted URL. Attackers can use this vulnerability to view any file on the Web server root drive, if they know or can guess the file name.
Platforms Affected:
- Microsoft, IIS 4.0
- Microsoft, Index Server 2.0
Remedy:
Obtain the appropriate patch for your system, as listed in Microsoft Security Bulletin MS01-025, MS01-033, MS01-041, MS01-44, MS02-001 or MS02-018. See References.
For Windows NT Server 4.0, Terminal Server Edition:
Microsoft originally provided a patch for this vulnerability in MS00-006, but it has been superseded by the patch released with MS01-033, and then superseded by the patch released with MS02-018. See References.
For Windows NT 4.0:
Microsoft originally provided patches for this vulnerability in MS00-006, MS01-025, MS01-033, MD01-041 and MS02-001, but they have been superseded by the Security Roll-up patch released with MS02-018. See References.
For IIS:
Microsoft originally provided a patch for this vulnerability in MS01-033, but it has been superseded by the patch released with MS01-044, MS02-018, and MS02-062, and then superseded by the patch released with MS03-018. See References.
For Windows 2000:
Microsoft originally provided a patch for this vulnerability in MS01-025, but it has been superseded by the patch released with MS02-001. See References.
Consequences:
File Manipulation
References:
- @stake, Inc./Cerberus Information Security Advisory CISADV000126, Webhits.dll buffer truncation at http://www.webproxy.com/research/advisories/2000/adviishtw.html.
- Microsoft Security Bulletin MS00-006, Patch Available for "Malformed Hit-Highlighting Argument" Vulnerability at http://www.microsoft.com/technet/security/bulletin/ms00-006.mspx.
- Microsoft Security Bulletin MS01-025, Index Server Search Function Contains Unchecked Buffer at http://www.microsoft.com/technet/security/bulletin/MS01-025.mspx.
- Microsoft Security Bulletin MS01-033, Unchecked Buffer in Index Server ISAPI Extension Could Enable Web Server Compromise at http://www.microsoft.com/technet/security/bulletin/ms01-033.mspx.
- Microsoft Security Bulletin MS01-041, Malformed RPC Request Can Cause Service Failure at http://www.microsoft.com/technet/security/bulletin/ms01-041.mspx.
- Microsoft Security Bulletin MS01-044, 15 August 2001 Cumulative Patch for IIS at http://www.microsoft.com/technet/security/bulletin/ms01-044.mspx.
- Microsoft Security Bulletin MS02-001, Trusting Domains Do Not Verify Domain Membership of SIDs in Authorization Data at http://www.microsoft.com/technet/security/bulletin/ms02-001.mspx.
- Microsoft Security Bulletin MS02-018, Cumulative Patch for Internet Information Services (Q319733) at http://www.microsoft.com/technet/security/bulletin/ms02-018.mspx.
- Microsoft Security Bulletin MS02-018, Cumulative Patch for Internet Information Services (Q319733) at http://www.microsoft.com/technet/security/bulletin/ms02-018.mspx.
- Microsoft Security Bulletin MS02-062, Cumulative Patch for Internet Information Service (Q327696) at http://www.microsoft.com/technet/security/Bulletin/MS02-062.mspx.
- Microsoft Security Bulletin MS03-018, Cumulative Patch for Internet Information Service (811114) at http://www.microsoft.com/technet/security/bulletin/ms03-018.mspx.
- BID-950: NT Index Server Directory Traversal Vulnerability
- CVE-2000-0097: The WebHits ISAPI filter in Microsoft Index Server allows remote attackers to read arbitrary files, aka the Malformed Hit-Highlighting Argument vulnerability.
- OSVDB ID: 1210: Microsoft IIS WebHits.dll ISAPI Filter Traversal Arbitrary File Access
Reported:
Jan 26, 2000
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