11257 : Microsoft IIS Malformed GET Request DoS
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Info

Last Modified

9 months ago

Percent Complete

90%

Disclosure

Dec 17, 1998

Discovery

Unknown

Dates

Exploit

Dec 17, 1998

Solution

Unknown

Description

A remote overflow exists in Microsoft Internet Information Server (IIS). The server fails to validate the length of GET requests, resulting in a buffer overflow. With a specially crafted request, an attacker can cause the server to consume all available resources on the host, resulting in a loss of availability.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to service pack 5 or higher, or version 5.0 or higher, as they have been reported to fix this vulnerability. Additionally, a patch has been made available by Microsoft. An upgrade or patch is required as there are no known workarounds.

Products

Microsoft Corporation
Watch-list
Internet Information Server
Watch-list
3.0
4.0

References

Credit

Unknown or Incomplete

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