Microsoft IIS specially-crafted request reveals IP address
| iis-request-ip-disclosure (8385) |  Low Risk |
Description:
Microsoft Internet Information Server (IIS) could allow a remote attacker to obtain the server's IP address. If a remote attacker sends a specially-crafted request to the server, the attacker can cause the server to return a 207 Multi-Status response and reveal the server's IP address.
Note: The server's IP address is located in the HREF property.
Consequences:
Obtain Information
Remedy:
Apply the fix for this vulnerability, as listed in NGSSoftware Insight Security Research Advisory #NISR05032002B. See References.
References:
- NGSSoftware Insight Security Research Advisory #NISR05032002B: Internal IP Addresses and IIS.
- CVE-2002-0422: IIS 5 and 5.1 supporting WebDAV methods allows remote attackers to determine the internal IP address of the system (which may be obscured by NAT) via (1) a PROPFIND HTTP request with a blank Host header, which leaks the address in an HREF property in a 207 Multi-Status response, or (2) via the WRITE or MKCOL method, which leaks the IP in the Location server header.
- OSVDB ID: 13431: Microsoft IIS WebDAV Malformed PROPFIND Request Internal IP Disclosure
Platforms Affected:
- Microsoft Internet Information Server 4.0
- Microsoft Internet Information Server 5.0
- Microsoft Internet Information Server 5.1
Reported:
Mar 04, 2002
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