Description
The web authentication form in the NT4 authentication component in Citrix Access Gateway Enterprise Edition 9.2-49.8 and earlier, and the NTLM authentication component in Access Gateway Standard and Advanced Editions before Access Gateway 5.0, allows attackers to execute arbitrary commands via shell metacharacters in the password field.
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.
Metasploit 1 module
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Citrix Access Gateway Command Execution
exploit/unix/webapp/citrix_access_gateway_exec
Exploit-DB 2
- Citrix Access Gateway - Command Execution (Metasploit) EDB-16916 · remote · Mar 3, 2011 · verified
- Citrix Access Gateway - Command Injection EDB-15806 · remote · Dec 22, 2010 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
References
- 1024893 vdb-entry
- http://www.vsecurity.com/resources/advisory/20101221-1
- http://support.citrix.com/article/CTX127613
- 8119 third-party-advisory
- 70099 vdb-entry
- 16916 exploit