878 : Microsoft SQL Resolution Service Keep-Alive Function DoS
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
7 890 over 8 years ago over 3 years ago 0 times 90%

Timeline
Disclosure Date Exploit Publish Date
2002-07-25 2002-07-25

Keywords

 UDP Port 1434

Description

Microsoft SQL Server and Desktop Engine contain a flaw that may allow a remote attacker to cause a denial of service. The issue is due to a flaw in the keep-alive function in the SQL Resolution Service. If a remote attacker sends a specially crafted packet with a spoofed source address, the server will fall into a recursive loop sending packets to itself. Such an attack would consume system resources as well as bandwidth resources.

Classification

 Location: Remote / Network Access
Attack Type: Denial of Service
Impact: Loss of Availability
Exploit: Exploit Public
Disclosure: OSVDB Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Microsoft has released a patch to address this vulnerability.

Products
Cisco Systems, Inc.
Watch-list
BBSM
Watch-list
 5.0
5.1
CallManager
Watch-list
 3.3.x
Unity
Watch-list
 3.x
4.x
Microsoft Corporation
Watch-list
Desktop Engine (MSDE)
Watch-list
 2000
SQL Server
Watch-list
 2000

References

Tools & Filters
11214

Credit
  • David Litchfield - davidngssoftware.com - NGSSoftware

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1

Blogs

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