module

ptrace Sudo Token Privilege Escalation

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Disclosed
2019-03-24
Created
2019-09-02

Description

This module attempts to gain root privileges by blindly injecting into
the session user's running shell processes and executing commands by
calling `system()`, in the hope that the process has valid cached sudo
tokens with root privileges.

The system must have gdb installed and permit ptrace.

This module has been tested successfully on:

Debian 9.8 (x64); and
CentOS 7.4.1708 (x64).

Authors

chaignc
bcoles bcoles@gmail.com

Platform

Linux

Architectures

x86, x64, armle, aarch64, ppc, mipsle, mipsbe

References

Module Options

To display the available options, load the module within the Metasploit console and run the commands ‘show options’ or ‘show advanced’:


    msf > use exploit/linux/local/ptrace_sudo_token_priv_esc
    msf exploit(ptrace_sudo_token_priv_esc) > show targets
        ...targets...
    msf exploit(ptrace_sudo_token_priv_esc) > set TARGET < target-id >
    msf exploit(ptrace_sudo_token_priv_esc) > show options
        ...show and set options...
    msf exploit(ptrace_sudo_token_priv_esc) > exploit
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