Description
The Linksys SPA941 VoIP Phone allows remote attackers to cause a denial of service (device reboot) via a 0377 (0xff) character in the From header, and possibly certain other locations, in a SIP INVITE request.
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
- Linksys SPA941 - '\377' Character Remote Denial of Service EDB-3791 · dos · Apr 24, 2007 · verified
- Linksys SPA941 - Remote Reboot (Denial of Service) EDB-3792 · dos · Apr 24, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 3791 exploit
- 20070424 Linksys SPA941 remote DOS with \377 character mailing-list
- 23619 vdb-entry
- 25031 third-party-advisory
- 1017957 vdb-entry
- 3792 exploit
- ADV-2007-1532 vdb-entry
- linksys-spa941-sip-dos(33856) vdb-entry