Description
Heap-based buffer overflow in Null HTTP Server 0.5.0 and earlier allows remote attackers to execute arbitrary code via a negative value in the Content-Length HTTP header.
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
- Null HTTPd 0.5 - Remote Heap Overflow EDB-21818 · remote · Sep 23, 2002 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- null-httpd-contentlength-bo(10160) vdb-entry
- 5774 vdb-entry
- 20020922 remote exploitable heap overflow in Null HTTPd 0.5.0 mailing-list
- http://freshmeat.net/releases/97910/