module

DoS Exploitation of Allen-Bradley's Legacy Protocol (PCCC)

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Disclosed
N/A
Created
Mar 19, 2019

Description

A remote, unauthenticated attacker could send a single, specially crafted
Programmable Controller Communication Commands (PCCC) packet to the controller
that could potentially cause the controller to enter a DoS condition.
MicroLogix 1100 controllers are affected: 1763-L16BWA, 1763-L16AWA, 1763-L16BBB, and
1763-L16DWD.
CVE-2017-7924 has been assigned to this vulnerability.
A CVSS v3 base score of 7.5 has been assigned.

Authors

José Diogo Monteiro jdlopes@student.dei.uc.pt
Luis Rosa lmrosa@dei.uc.pt
Miguel Borges de Freitas miguelbf@dei.uc.pt

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 auxiliary/dos/scada/allen_bradley_pccc
    msf auxiliary(allen_bradley_pccc) > show actions
        ...actions...
    msf auxiliary(allen_bradley_pccc) > set ACTION < action-name >
    msf auxiliary(allen_bradley_pccc) > show options
        ...show and set options...
    msf auxiliary(allen_bradley_pccc) > run
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