Description
telnetd.exe in Pragma TelnetServer 7.0.4.589 allows remote attackers to cause a denial of service (process crash and resource exhaustion) via a crafted TELOPT PRAGMA LOGON telnet option, which triggers a NULL pointer dereference.
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
- Pragma TelnetServer 7.0.4.589 - NULL-Pointer Dereference Denial of Service EDB-30991 · dos · Jan 4, 2008 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- pragmatelnetserver-telnetd-dos(39353) vdb-entry
- 27143 vdb-entry
- http://aluigi.altervista.org/adv/pragmatel-adv.txt
- 20080104 Some DoS in some telnet servers mailing-list