Description
The checkHTTPpassword function in http.c in ntop 3.3.10 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an Authorization HTTP header that lacks a : (colon) character in the base64-decoded string.
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
- ntop 3.3.10 - HTTP Basic Authentication Null Pointer Dereference Denial of Service EDB-33176 · dos · Aug 18, 2009 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 36403 third-party-advisory
- 20090818 ntop <= 3.3.10 Basic Authentication Null Pointer Denial of Service mailing-list
- 20090818 (Reposting truncated message) Re: ntop <= 3.3.10 Basic Authentication Null Pointer Denial of Service mailing-list
- ADV-2009-2317 vdb-entry
- MDVSA-2010:181 vendor-advisory