Overview
The Microsoft ASN.1 Library improperly decodes constructed bit strings which could allow an unauthenticated, remote attacker to execute arbitrary code with SYSTEM privileges.
Description
Abstract Syntax Notation number One (ASN.1) is an international standard used to describe and transmit data packets between applications and across networks. There is an integer overflow vulnerability in the BER decoding function of the Microsoft ASN.1 Library. This vulnerability could allow an unauthenticated, remote attacker to execute arbitrary code with SYSTEM privileges on the affected system. |
Impact
An unauthenticated, remote attacker could execute arbitrary code with SYSTEM privileges. |
Solution
Apply Patch Apply the patch (828028) referenced in Microsoft Security Bulletin MS04-007. |
Vendor Information
CVSS Metrics
| Group | Score | Vector |
|---|---|---|
| Base | ||
| Temporal | ||
| Environmental |
References
Acknowledgements
This vulnerability was reported by eEye Digital Security.
This document was written by Damon Morda.
Other Information
| CVE IDs: | CVE-2003-0818 |
| Severity Metric: | 27.72 |
| Date Public: | 2004-02-10 |
| Date First Published: | 2004-02-10 |
| Date Last Updated: | 2004-02-10 20:50 UTC |
| Document Revision: | 10 |