Microsoft SQL Server on Win NT/2000/XP Named Pipe xp_fileexist Remote Code Execution

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Microsoft SQL Server on Win NT/2000/XP. It has been classified as problematic. Impacted is the function xp_fileexist of the component Named Pipe Handler. Performing a manipulation results in Remote Code Execution. This vulnerability is cataloged as CVE-2003-0496. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in Microsoft SQL Server on Win NT/2000/XP (Database Software) (unknown version). It has been classified as critical. This affects the function xp_fileexist of the component Named Pipe Handler. The manipulation with an unknown input leads to a remote code execution vulnerability. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Microsoft SQL Server before Windows 2000 SP4 allows local users to gain privileges as the SQL Server user by calling the xp_fileexist extended stored procedure with a named pipe as an argument instead of a normal file.

The weakness was shared 07/08/2003 by Andreas Junestam with @stake (Website). It is possible to read the advisory at atstake.com. This vulnerability is uniquely identified as CVE-2003-0496 since 06/30/2003. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download at atstake.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $25k-$100k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at microsoft.com.

The vulnerability is also documented in the databases at X-Force (12530), Exploit-DB (22882), SecurityFocus (BID 8128†) and Vulnerability Center (SBV-5604†). The entry VDB-152 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.8
VulDB Temp Score: 8.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: microsoft.com

Timelineinfo

06/30/2003 🔍
07/08/2003 +8 days 🔍
07/08/2003 +0 days 🔍
07/08/2003 +0 days 🔍
08/18/2003 +41 days 🔍
10/20/2004 +429 days 🔍
02/15/2025 +7423 days 🔍

Sourcesinfo

Vendor: microsoft.com

Advisory: atstake.com
Researcher: Andreas Junestam
Organization: @stake
Status: Confirmed

CVE: CVE-2003-0496 (🔍)
GCVE (CVE): GCVE-0-2003-0496
GCVE (VulDB): GCVE-100-159
X-Force: 12530
SecurityFocus: 8128
Vulnerability Center: 5604 - Microsoft SQL Server 7.0 Allows Gaining Privileges via Named Pipes, Low

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

Entryinfo

Created: 07/08/2003 02:00
Updated: 02/15/2025 17:05
Changes: 07/08/2003 02:00 (69), 06/07/2017 16:08 (3), 02/15/2025 17:05 (19)
Complete: 🔍
Cache ID: 216:CEE:103

Be aware that VulDB is the high quality source for vulnerability data.

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