Slammer (Helkern/Sapphire) is a worm that attempts to exploit vulnerabilities in Microsoft SQL 2000 servers and is causing increased traffic on UDP port 1434. This roundup contains the analysis, latest news updates, solutions, security advisories, AV vendor releases and a removal too for this worm.



CERT/CC - CERT Advisory CA-2003-04 - MS-SQL Server Worm

The CERT/CC has received reports of self-propagating malicious code that exploits multiple vulnerabilities in the Resolution Service of Microsoft SQL Server 2000. The propagation of this worm has caused varied levels of network degradation across the Internet, in addition to the compromise of vulnerable machines



Kaspersky Labs: "Helkern": 367 Bytes That Shook The World

Kaspersky Labs, an international data security software developer, is warning users against the new Internet-worm "Helkern" (also known as "Slammer") that infects servers running under the popular Web-enabled database Microsoft SQL Server 2000.



eEye - SQL Sapphire Worm Analysis


Late Friday, January 24, 2003 we became aware of a new SQL worm spreading quickly across various networks around the world. Besides the analysis, the disassembled worm code is available here.



NGSSoftware (HNS mirror) - Unauthenticated Remote Compromise in MS SQL Server 2000

NGSSoftware July 25th advisory described the security issue that this worm exploits. Microsoft's database server SQL Server 2000 exhibits two buffer overrun vulnerabilities that can be exploited by a remote attacker without ever having to authenticate to the server.



Black Hat Briefings Archive - David Litchfield MS SQL UDP Speech (Real Audio)

This is an archive of the speech David Litchfield gave at the July's Black Hat Briefing, in which he reveals the MS SQL UDP problem that turned into the SQL Hell/Slammer/Sapphire worm, fire up Real Player and check out the video.