Description
The administration web interface in NetWin SurgeFTP 2.3a2 and earlier allows remote attackers to cause a denial of service (daemon crash) via a large integer in the Content-Length HTTP header, which triggers a NULL pointer dereference when memory allocation fails.
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
- SurgeFTP 2.3a2 - 'Content-Length' Null Pointer Denial of Service EDB-31302 · dos · Feb 25, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 20080225 NULL pointer in SurgeFTP 2.3a2 mailing-list
- 29096 third-party-advisory
- http://aluigi.altervista.org/adv/surgeftpizza-adv.txt
- surgeftp-contentlength-dos(40843) vdb-entry
- 3704 third-party-advisory
- 27993 vdb-entry