Description
Microsoft Internet Information Services (IIS) 5.0 and 5.1 allows remote attackers to cause a denial of service via a long WebDAV request with a (1) PROPFIND or (2) SEARCH method, which generates an error condition that is not properly handled.
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 2
- Microsoft IIS 5.0 < 5.1 - Remote Denial of Service EDB-35 · dos · May 31, 2003 · verified
- Microsoft IIS 5.0 - WebDAV PROPFIND / SEARCH Method Denial of Service EDB-22670 · dos · May 28, 2003 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- MS03-018 vendor-advisory
- 20030528 Internet Information Services 5.0 Denial of service mailing-list
- http://www.spidynamics.com/iis_alert.html
- oval:org.mitre.oval:def:933 vdb-entry signature
- 20030529 IIS WEBDAV Denial of Service attacks mailing-list
- 20030528 Internet Information Services 5.0 Denial of service mailing-list