module

Linux Kernel recvmmsg Privilege Escalation

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Disclosed
2014-02-02
Created
2018-05-30

Description

This module attempts to exploit CVE-2014-0038, by sending a recvmmsg
system call with a crafted timeout pointer parameter to gain root.

This exploit has offsets for 3 Ubuntu 13 kernels:
3.8.0-19-generic (13.04 default);
3.11.0-12-generic (13.10 default);
3.11.0-15-generic (13.10).

This exploit may take up to 13 minutes to run due to a decrementing
(1/sec) pointer which starts at 0xff*3 (765 seconds)

Authors

h00die mike@shorebreaksecurity.com
rebel

Platform

Linux

Architectures

x86, x64

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/recvmmsg_priv_esc
    msf exploit(recvmmsg_priv_esc) > show targets
        ...targets...
    msf exploit(recvmmsg_priv_esc) > set TARGET < target-id >
    msf exploit(recvmmsg_priv_esc) > show options
        ...show and set options...
    msf exploit(recvmmsg_priv_esc) > exploit
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