module

Mac OS X NFS Mount Privilege Escalation Exploit

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Disclosed
2014-04-11
Created
2018-05-30

Description

This exploit leverages a stack buffer overflow vulnerability to escalate privileges.
The vulnerable function nfs_convert_old_nfs_args does not verify the size
of a user-provided argument before copying it to the stack. As a result, by
passing a large size as an argument, a local user can overwrite the stack with arbitrary
content.

Mac OS X Lion Kernel

Authors

Kenzley Alphonse
joev joev@metasploit.com

Platform

OSX

Architectures

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