module

SysAid Help Desk 'rdslogs' Arbitrary File Upload

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Disclosed
06/03/2015
Created
05/30/2018

Description

This module exploits a file upload vulnerability in SysAid Help Desk v14.3 and v14.4.
The vulnerability exists in the RdsLogsEntry servlet which accepts unauthenticated
file uploads and handles zip file contents in an insecure way. By combining both weaknesses,
a remote attacker can accomplish remote code execution. Note that this will only work if the
target is running Java 6 or 7 up to 7u25, as Java 7u40 and above introduces a protection
against null byte injection in file names. This module has been tested successfully on version
v14.3.12 b22 and v14.4.32 b25 in Linux. In theory this module also works on Windows, but SysAid
seems to bundle Java 7u40 and above with the Windows package which prevents the vulnerability
from being exploited.

Author

Pedro Ribeiro

Platform

Java

Architectures

java

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/multi/http/sysaid_rdslogs_file_upload
    msf /(d) > show actions
        ...actions...
    msf /(d) > set ACTION < action-name >
    msf /(d) > show options
        ...show and set options...
    msf /(d) > run
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