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Vulnerability Details : CVE-2002-1123

Buffer overflow in the authentication function for Microsoft SQL Server 2000 and Microsoft Desktop Engine (MSDE) 2000 allows remote attackers to execute arbitrary code via a long request to TCP port 1433, aka the "Hello" overflow.
Publish Date : 2002-09-24 Last Update Date : 2008-09-10
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- CVSS Scores & Vulnerability Types

CVSS Score
7.5
Confidentiality Impact Partial (There is considerable informational disclosure.)
Integrity Impact Partial (Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access User
Vulnerability Type(s) Execute CodeOverflow
CWE ID CWE id is not defined for this vulnerability

- Products Affected By CVE-2002-1123

# Product Type Vendor Product Version Update Edition Language
1 Application Microsoft Data Engine 2000 Version Details Vulnerabilities
2 Application Microsoft Sql Server 2000 SP1 Version Details Vulnerabilities
3 Application Microsoft Sql Server 2000 Version Details Vulnerabilities
4 Application Microsoft Sql Server 2000 SP2 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Microsoft Data Engine 1
Microsoft Sql Server 3

- References For CVE-2002-1123

http://online.securityfocus.com/archive/1/286220
BUGTRAQ 20020806 SPIKE 2.5 and associated vulns
http://technet.microsoft.com/en-us/security/bulletin/ms02-056
Microsoft Security Bulletin MS02-056
http://www.ciac.org/ciac/bulletins/n-003.shtml
CIAC N-003
http://www.securityfocus.com/bid/5411
BID 5411 Microsoft SQL Server User Authentication Remote Buffer Overflow Vulnerability Release Date:2009-07-11
http://marc.theaimsgroup.com/?l=bugtraq&m=102873609025020&w=2
BUGTRAQ 20020807 MS SQL Server Hello Overflow NASL script
http://www.iss.net/security_center/static/9788.php
XF mssql-preauth-bo(9788)

- Metasploit Modules Related To CVE-2002-1123

MS02-056 Microsoft SQL Server Hello Overflow
By sending malformed data to TCP port 1433, an unauthenticated remote attacker could overflow a buffer and possibly execute code on the server with SYSTEM level privileges. This module should work against any vulnerable SQL Server 2000 or MSDE install (< SP3).
Module type : exploit Rank : good Platforms : Windows


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