Description
Microsoft IIS 5.0 allows remote attackers to cause a denial of service via an HTTP request with a content-length value that is larger than the size of the request, which prevents IIS from timing out the connection.
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 1
- Microsoft IIS 5.0 - False Content-Length Field Denial of Service EDB-21177 · dos · Dec 11, 2001 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20011211 Microsoft IIS/5 bogus Content-length bug. mailing-list
- 20011212 Microsoft IIS/5.0 Content-Length DoS (proved) mailing-list
- 20011211 Microsoft IIS/5 bogus Content-length bug Memory attack mailing-list
- 3667 vdb-entry
- iis-false-content-length-dos(7691) vdb-entry