Description
The SILC_SERVER_CMD_FUNC function in apps/silcd/command.c in silc-server 1.0.2 allows remote attackers to cause a denial of service (NULL dereference and daemon crash) via a request without a cipher algorithm and an invalid HMAC algorithm.
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
- Silc Server 1.0.2 - New Channel Remote Denial of Service EDB-29716 · dos · Mar 6, 2007 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 24426 third-party-advisory
- GLSA-200703-12 vendor-advisory
- 24431 third-party-advisory
- silc-command-dos(32846) vdb-entry
- 22846 vdb-entry
- 33887 vdb-entry
- 20070306 silc-server 1.0.2 denial-of-service vulnerability mailing-list