CVE-2014-5410 (GCVE-0-2014-5410)
Vulnerability from cvelistv5
Published
2014-10-03 18:00
Modified
2025-11-04 22:30
Severity ?
CWE
Summary
The DNP3 feature on Rockwell Automation Allen-Bradley MicroLogix 1400 1766-Lxxxxx A FRN controllers 7 and earlier and 1400 1766-Lxxxxx B FRN controllers before 15.001 allows remote attackers to cause a denial of service (process disruption) via malformed packets over (1) an Ethernet network or (2) a serial line.
References
Impacted products
Vendor Product Version
Rockwell Automation Allen-Bradley MicroLogix 1400 Version: 0   <
Version: 0   <
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              "value": "\u003cp\u003eRockwell Automation has released a new version of MicroLogix 1400 \nSeries B firmware to address the vulnerability and reduce associated \nrisk to successful exploitation. Subsequent versions of MicroLogix 1400 \nSeries B firmware and newer will incorporate these same enhancements.\u003c/p\u003e\n\u003cp\u003eRockwell Automation recommends the following immediate mitigation \nstrategies (when possible, multiple strategies should be employed \nsimultaneously):\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eUpgrade all MicroLogix 1400 Series B controllers to Series B FRN \n15.001 or higher. Current firmware for the MicroLogix 1400 Series B \nplatform can be obtained at the following web address:\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://www.rockwellautomation.com/rockwellautomation/support/pcdc.page\"\u003ehttp://www.rockwellautomation.com/rockwellautomation/support/pcdc.page\u003c/a\u003e\u003c/p\u003e\n\n\n\u003cp\u003ePlease refer to Rockwell Automation\u2019s product disclosure (AID 620295) for more information on this topic available at:\u003c/p\u003e\n\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/detail/a_id/620295\"\u003ehttps://rockwellautomation.custhelp.com/app/answers/detail/a_id/620295\u003c/a\u003e\u003c/p\u003e\n\n\u003cbr\u003e"
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          "value": "Rockwell Automation has released a new version of MicroLogix 1400 \nSeries B firmware to address the vulnerability and reduce associated \nrisk to successful exploitation. Subsequent versions of MicroLogix 1400 \nSeries B firmware and newer will incorporate these same enhancements.\n\n\nRockwell Automation recommends the following immediate mitigation \nstrategies (when possible, multiple strategies should be employed \nsimultaneously):\n\n\n\n  *  Upgrade all MicroLogix 1400 Series B controllers to Series B FRN \n15.001 or higher. Current firmware for the MicroLogix 1400 Series B \nplatform can be obtained at the following web address:\n\n\n\n\n http://www.rockwellautomation.com/rockwellautomation/support/pcdc.page \n\n\n\n\nPlease refer to Rockwell Automation\u2019s product disclosure (AID 620295) for more information on this topic available at:\n\n\n https://rockwellautomation.custhelp.com/app/answers/detail/a_id/620295"
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              "value": "\u003cp\u003eUsers with Series A and Series B controllers are also recommended to apply the following risk mitigations:\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eDo not enable DNP3 communication in the product unless required.\u003c/li\u003e\n\u003cli\u003eWhere appropriate, prohibit DNP3 communication that originates \noutside the perimeter of the manufacturing zone from entry into the zone\n by blocking communication directed at Ethernet communication Port \n20000/TCP* and 20000/UDP* using appropriate security technology (e.g., a\n firewall, UTM devices, or other security appliance)\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003e\u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; *Note: Ports 20000/TCP and 20000/UDP are factory defaults \nas per the DNP3 specification but can be reconfigured by the product \nowner.\u003c/p\u003e\n\u003cul\u003e\n\u003cli\u003eEmploy firewalls with ingress/egress filtering, intrusion \ndetection/prevention systems, and validate all configurations. Evaluate \nfirewall configurations to ensure other appropriate inbound and outbound\n traffic is blocked.\u003c/li\u003e\n\u003cli\u003eRestrict physical and electronic access to automation products, \nnetworks, and systems to only those individuals authorized to be in \ncontact with control system equipment.\u003c/li\u003e\u003cli\u003eEmploy layered security, defense-in-depth methods and network \nsegregation and segmentation practices in system design to restrict and \ncontrol access to individual products and control networks. Refer to \u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://www.ab.com/networks/architectures.html%20\"\u003ehttp://www.ab.com/networks/architectures.html\u003c/a\u003e\u0026nbsp;for comprehensive information about implementing validated architectures designed to deliver these measures.\u003c/li\u003e\n\u003c/ul\u003e\n\u003cp\u003ePlease refer to Rockwell Automation\u2019s product disclosure (AID 620295) for more information on this topic available at:\u003c/p\u003e\n\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/detail/a_id/620295\"\u003ehttps://rockwellautomation.custhelp.com/app/answers/detail/a_id/620295\u003c/a\u003e\u003c/p\u003e\n\n\u003cbr\u003e"
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