Overview
The Microsoft SQL Server contains a buffer overflow vulnerability that may allow remote attackers to execute arbitrary code with system privileges.
Description
The Microsoft SQL Server contains a buffer overflow vulnerability in the code used to process "Bulk Insert" queries. Bulk Insert queries allow the SQL user to supply a file containing records to be imported into the SQL database. If an attacker supplies a file with an excessively long filename, it is possible to overflow the application stack and alter the flow of execution, resulting in the execution of arbitrary code. Note that successful exploitation of this vulnerability requires Bulk Administrator or Administrator group privileges. |
Impact
This vulnerability may allow remote attackers to execute arbitrary code with system privileges. |
Solution
Apply a patch Microsoft has published Security Bulletin MS02-034 to address this vulnerability. For more information, please see |
Vendor Information
CVSS Metrics
| Group | Score | Vector |
|---|---|---|
| Base | ||
| Temporal | ||
| Environmental |
References
- http://www.microsoft.com/technet/security/bulletin/MS02-034.asp
- http://support.microsoft.com/support/misc/kblookup.asp?id=Q316333
- http://www.microsoft.com/technet/prodtechnol/sql/maintain/security/sql2ksec.asp
- http://www.ngssoftware.com/vna/ms-sql.txt
- http://www.nextgenss.com/advisories/ms-sqlbi.txt
- http://online.securityfocus.com/bid/4847/info/
Acknowledgements
The CERT/CC thanks NGSSoftware for their discovery and analysis of this vulnerability.
This document was written by Jeffrey P. Lanza and is based upon information provided by Microsoft and NGSSoftware.
Other Information
| CVE IDs: | CVE-2002-0641 |
| Severity Metric: | 5.91 |
| Date Public: | 2002-07-10 |
| Date First Published: | 2002-07-25 |
| Date Last Updated: | 2003-02-06 20:53 UTC |
| Document Revision: | 25 |