Microsoft SQL Server 7.0/2000 xp_updatecolvbm memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Microsoft SQL Server 7.0/2000. The affected element is the function xp_updatecolvbm. The manipulation results in memory corruption. This vulnerability is reported as CVE-2000-1084. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Microsoft SQL Server 7.0/2000 (Database Software). It has been classified as problematic. Affected is the function xp_updatecolvbm. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The xp_updatecolvbm function in SQL Server and Microsoft SQL Server Desktop Engine (MSDE) does not properly restrict the length of a buffer before calling the srv_paraminfo function in the SQL Server API for Extended Stored Procedures (XP), which allows an attacker to cause a denial of service or execute arbitrary commands, aka the "Extended Stored Procedure Parameter Parsing" vulnerability.

The weakness was disclosed 01/09/2001 by David Litchfield with Microsoft as not defined posting (Bugtraq). The advisory is available at marc.theaimsgroup.com. This vulnerability is traded as CVE-2000-1084. The exploitability is told to be easy. Local access is required to approach this attack. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

A public exploit has been developed in ANSI C. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 19092 (Microsoft SQL Server Patch Not Installed (MS00-092)).

Upgrading eliminates this vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 444.

The vulnerability is also documented in the databases at X-Force (5622), SecurityFocus (BID 2039†) and Vulnerability Center (SBV-38474†). The entries VDB-16239, VDB-16240, VDB-16241 and VDB-16243 are pretty similar. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Microsoft Data Engine 1.0/2000
  • Microsoft SQL Server 7.0/2000

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.9
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Suricata ID: 2100700
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍
SourceFire IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

12/01/2000 🔍
12/01/2000 +0 days 🔍
01/09/2001 +39 days 🔍
01/09/2001 +0 days 🔍
02/19/2013 +4424 days 🔍
07/02/2014 +498 days 🔍
04/24/2017 +1027 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: marc.theaimsgroup.com
Researcher: David Litchfield
Organization: Microsoft
Status: Not defined

CVE: CVE-2000-1084 (🔍)
GCVE (CVE): GCVE-0-2000-1084
GCVE (VulDB): GCVE-100-16242
X-Force: 5622
SecurityFocus: 2039 - Microsoft SQL Server / Data Engine xp_updatecolvbm Buffer Overflow Vulnerability
Vulnerability Center: 38474 - [MS00-092] Microsoft SQL Server and MSDE \x27xp_updatecolvbm\x27 Remote Code Execution (CVE-2000-1084), High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 07/02/2014 12:10
Updated: 04/24/2017 19:58
Changes: 07/02/2014 12:10 (74), 04/24/2017 19:58 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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