module

Solaris 'EXTREMEPARR' dtappgather Privilege Escalation

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Disclosed
2017-04-24
Created
2019-03-19

Description

This module exploits a directory traversal vulnerability in the
`dtappgather` executable included with Common Desktop Environment (CDE)
on unpatched Solaris systems prior to Solaris 10u11 which allows users
to gain root privileges.

dtappgather allows users to create a user-owned directory at any
location on the filesystem using the `DTUSERSESSION` environment
variable.

This module creates a directory in `/usr/lib/locale`, writes a shared
object to the directory, and runs the specified SUID binary with the
shared object loaded using the `LC_TIME` environment variable.

This module has been tested successfully on:

Solaris 9u7 (09/04) (x86);
Solaris 10u1 (01/06) (x86);
Solaris 10u2 (06/06) (x86);
Solaris 10u4 (08/07) (x86);
Solaris 10u8 (10/09) (x86);
Solaris 10u9 (09/10) (x86).

Authors

Shadow Brokers
Hacker Fantastic
bcoles bcoles@gmail.com

Platform

Solaris,Unix

Architectures

x86, x64, sparc

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