Msf::Post::File: readable? / exists? / read_file methods crash sessions with EOFError on Solaris

[bcoles]

1. Get a solaris/x86/shell_reverse_tcp session on Solaris (tested on Solaris 10u2)
2. Run a module which reads a file, or create a module which uses readable? / exists? / read_file

msf6 post(solaris/gather/enum_packages) > run
[*] 192.168.200.166 - Command shell session 3 closed.
[-] Post failed: EOFError EOFError
[-] Call stack:
[-]   /var/lib/gems/3.3.0/gems/rex-core-0.1.33/lib/rex/io/stream.rb:224:in `get_once'
[-]   /root/Desktop/metasploit-framework/lib/msf/base/sessions/command_shell.rb:668:in `shell_read'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/session/provider/single_command_shell.rb:64:in `block (2 levels) in shell_read_until_token'
[-]   <internal:kernel>:187:in `loop'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/session/provider/single_command_shell.rb:63:in `block in shell_read_until_token'
[-]   /var/lib/gems/3.3.0/gems/timeout-0.4.3/lib/timeout.rb:185:in `block in timeout'
[-]   /var/lib/gems/3.3.0/gems/timeout-0.4.3/lib/timeout.rb:38:in `handle_timeout'
[-]   /var/lib/gems/3.3.0/gems/timeout-0.4.3/lib/timeout.rb:194:in `timeout'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/session/provider/single_command_shell.rb:60:in `shell_read_until_token'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/session/provider/single_command_shell.rb:158:in `shell_command_token_base'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/session/provider/single_command_shell.rb:130:in `shell_command_token_unix'
[-]   /root/Desktop/metasploit-framework/lib/msf/base/sessions/unix_escaping.rb:4:in `shell_command_token'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/post/common.rb:197:in `cmd_exec'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/post/file.rb:313:in `exist?'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/post/file.rb:279:in `readable?'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/post/file.rb:488:in `read_file'
[-]   /root/Desktop/metasploit-framework/lib/msf/core/post/solaris/system.rb:17:in `get_sysinfo'
[-]   /root/Desktop/metasploit-framework/modules/post/solaris/gather/enum_packages.rb:32:in `run'
[*] Post module execution completed

[github-actions]

Hi!

This issue has been left open with no activity for a while now.

We get a lot of issues, so we currently close issues after 60 days of inactivity. It’s been at least 30 days since the last update here.
If we missed this issue or if you want to keep it open, please reply here. You can also add the label "not stale" to keep this issue open!

As a friendly reminder: the best way to see this issue, or any other, fixed is to open a Pull Request.

[github-actions]

Hi!

This issue has been left open with no activity for a while now.

We get a lot of issues, so we currently close issues after 60 days of inactivity. It’s been at least 30 days since the last update here.
If we missed this issue or if you want to keep it open, please reply here. You can also add the label "not stale" to keep this issue open!

As a friendly reminder: the best way to see this issue, or any other, fixed is to open a Pull Request.

[github-actions]

Hi again!

It’s been 60 days since anything happened on this issue, so we are going to close it.
Please keep in mind that I’m only a robot, so if I’ve closed this issue in error please feel free to reopen this issue or create a new one if you need anything else.

As a friendly reminder: the best way to see this issue, or any other, fixed is to open a Pull Request.