CVE-2012-6437 (GCVE-0-2012-6437)
Vulnerability from cvelistv5
Published
2013-01-24 21:00
Modified
2025-06-30 22:05
Severity ?
VLAI Severity ?
EPSS score ?
CWE
Summary
The device does not properly authenticate users and the potential exists for a remote user to upload a new firmware image to the Ethernet card, whether it is a corrupt or legitimate firmware image. Successful exploitation of this vulnerability could cause loss of availability, integrity, and confidentiality and a disruption in communications with other connected devices.
Rockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ► | Rockwell Automation | 1756-ENBT, 1756-EWEB, 1768-ENBT, 1768-EWEB communication modules |
Version: All |
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"value": "\u003cp\u003eAccording to Rockwell, any of the above products that become affected by a vulnerability can be reset by rebooting or power cycling the affected product. After the reboot, the affected product may require some reconfiguration.\u003c/p\u003e\u003cp\u003eTo mitigate the vulnerabilities, Rockwell has developed and released security patches on July 18, 2012, to address each of the issues. To download and install the patches please refer to Rockwell\u2019s Advisories at:\u003c/p\u003e\u003cp\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154\"\u003ehttps://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154\u003c/a\u003e\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155\"\u003ehttps://rockwellautomation.custhelp.com/app/answers/detail/aid/470155\u003c/a\u003e\u003cbr\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156\"\u003ehttps://rockwellautomation.custhelp.com/app/answers/detail/aid/470156\u003c/a\u003e\u003c/p\u003e\u003cp\u003eFor more information on security with Rockwell Automation products, please refer to \u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102\"\u003eRockwell\u2019s Security Advisory Index\u003c/a\u003e.\u003c/p\u003e"
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"value": "\u003cp\u003eRockwell recommends updating to the newest firmware patches to fix the vulnerabilities, but if not able to do so right away, then Rockwell advises immediately employing the following mitigations for each of the affected products.\u003c/p\u003e\u003cp\u003e\u003c/p\u003e\n\n\u003cp\u003eTo mitigate the vulnerability with the Web server password authentication mechanism:\u003c/p\u003e\u003col\u003e\u003cli\u003eUpgrade the MicroLogix 1400 firmware to FRN 12 or higher.\u003c/li\u003e\u003cli\u003eBecause of limitations in the MicroLogix 1100 platform, none of the firmware updates will be able to fix this issue, so users should use the following techniques to help reduce the likelihood of compromise.\u003c/li\u003e\u003cli\u003eWhere possible, disable the Web server and change all default Administrator and Guest passwords.\u003c/li\u003e\u003cli\u003eIf Web server functionality is needed, then Rockwell recommends upgrading the product\u2019s firmware to the most current version to have the newest enhanced protections available such as:\u003col\u003e\u003cli\u003eWhen a controller receives two consecutive invalid authentication requests from an HTTP client, the controller resets the Authentication Counter after 60 minutes.\u003c/li\u003e\u003cli\u003eWhen a controller receives 10 invalid authentication requests from any HTTP client, it will not accept any valid or invalid authentication packets until a 24-hour HTTP Server Lock Timer timeout.\u003c/li\u003e\u003c/ol\u003e\u003c/li\u003e\u003cli\u003eIf Web server functionality is needed, Rockwell also recommends configuring user accounts to have READ only access to the product so those accounts cannot be used to make configuration change\u003c/li\u003e\u003c/ol\u003e\u003cp\u003eIn addition to the above, Rockwell recommends concerned customers remain vigilant and continue to follow security strategies that help reduce risk and enhance overall control system security. Where possible, they suggest you apply multiple recommendations and complement this list with your own best-practices:\u003c/p\u003e\u003col\u003e\u003cli\u003eEmploy layered security and defense-in-depth methods in system design to restrict and control access to individual products and control networks. Refer to \u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://www.ab.com/networks/architectures.html\"\u003ehttp://www.ab.com/networks/architectures.html\u003c/a\u003e for comprehensive information about implementing validated architectures designed to deliver these measures.\u003c/li\u003e\u003cli\u003eRestrict physical and electronic access to automation products, networks, and systems to only those individuals authorized to be in contact with control system equipment.\u003c/li\u003e\u003cli\u003eEmploy firewalls with ingress/egress filtering, intrusion detection/prevention systems, and validate all configurations. Evaluate firewall configurations to ensure other appropriate inbound and outbound traffic is blocked.\u003c/li\u003e\u003cli\u003eUse up-to-date end-point protection software (e.g., antivirus/antimalware software) on all PC-based assets.\u003c/li\u003e\u003cli\u003eMake sure that software and control system device firmware is patched to current releases.\u003c/li\u003e\u003cli\u003ePeriodically change passwords in control system components and infrastructure devices.\u003c/li\u003e\u003cli\u003eWhere applicable, set the controller key-switch/mode-switch to RUN mode.\u003c/li\u003e\u003c/ol\u003e\n\n\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eFor more information on security with Rockwell Automation products, please refer to \u003c/span\u003e\u003ca target=\"_blank\" rel=\"nofollow\" href=\"http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102\"\u003eRockwell\u2019s Security Advisory Index\u003c/a\u003e\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003e.\u003c/span\u003e\n\n\u003cbr\u003e"
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"value": "Rockwell recommends updating to the newest firmware patches to fix the vulnerabilities, but if not able to do so right away, then Rockwell advises immediately employing the following mitigations for each of the affected products.\n\n\n\n\n\nTo mitigate the vulnerability with the Web server password authentication mechanism:\n\n * Upgrade the MicroLogix 1400 firmware to FRN 12 or higher.\n * Because of limitations in the MicroLogix 1100 platform, none of the firmware updates will be able to fix this issue, so users should use the following techniques to help reduce the likelihood of compromise.\n * Where possible, disable the Web server and change all default Administrator and Guest passwords.\n * If Web server functionality is needed, then Rockwell recommends upgrading the product\u2019s firmware to the most current version to have the newest enhanced protections available such as: * When a controller receives two consecutive invalid authentication requests from an HTTP client, the controller resets the Authentication Counter after 60 minutes.\n * When a controller receives 10 invalid authentication requests from any HTTP client, it will not accept any valid or invalid authentication packets until a 24-hour HTTP Server Lock Timer timeout.\n\n * If Web server functionality is needed, Rockwell also recommends configuring user accounts to have READ only access to the product so those accounts cannot be used to make configuration change\nIn addition to the above, Rockwell recommends concerned customers remain vigilant and continue to follow security strategies that help reduce risk and enhance overall control system security. Where possible, they suggest you apply multiple recommendations and complement this list with your own best-practices:\n\n * Employ layered security and defense-in-depth methods in system design to restrict and control access to individual products and control networks. Refer to http://www.ab.com/networks/architectures.html for comprehensive information about implementing validated architectures designed to deliver these measures.\n * Restrict physical and electronic access to automation products, networks, and systems to only those individuals authorized to be in contact with control system equipment.\n * Employ firewalls with ingress/egress filtering, intrusion detection/prevention systems, and validate all configurations. Evaluate firewall configurations to ensure other appropriate inbound and outbound traffic is blocked.\n * Use up-to-date end-point protection software (e.g., antivirus/antimalware software) on all PC-based assets.\n * Make sure that software and control system device firmware is patched to current releases.\n * Periodically change passwords in control system components and infrastructure devices.\n * Where applicable, set the controller key-switch/mode-switch to RUN mode.\n\n\n\n\nFor more information on security with Rockwell Automation products, please refer to Rockwell\u2019s Security Advisory Index http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102 ."
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Successful exploitation of this vulnerability could cause loss of availability, integrity, and confidentiality and a disruption in communications with other connected devices.\\n\\n\\n\\n\\n\\nRockwell Automation EtherNet/IP products; 1756-ENBT, 1756-EWEB, 1768-ENBT, and 1768-EWEB communication modules; CompactLogix L32E and L35E controllers; 1788-ENBT FLEXLogix adapter; 1794-AENTR FLEX I/O EtherNet/IP adapter; ControlLogix 18 and earlier; CompactLogix 18 and earlier; GuardLogix 18 and earlier; SoftLogix 18 and earlier; CompactLogix controllers 19 and earlier; SoftLogix controllers 19 and earlier; ControlLogix controllers 20 and earlier; GuardLogix controllers 20 and earlier; and MicroLogix 1100 and 1400\"},{\"lang\":\"es\",\"value\":\"Rockwell Automation EtherNet/IP; productos 1756-ENBT, 1756-EWEB, 1768-ENBT y m\u00f3dulos de comunicaci\u00f3n 1768-EWEB; CompactLogix L32E y L35E, 1788-ENBT adaptador FlexLogix; AENTR 1794-FLEX adaptador I/O EtherNet/IP; ControlLogix v18 y anteriores; CompactLogix 18 y anteriores; GuardLogix 18 y anteriores; SoftLogix v18 y anteriores; controladores CompactLogix v19 y anteriores; controladores SoftLogix v19 y anteriores; controladores ControlLogix v20 y anteriores, los controladores GuardLogix v20 y anteriores, y MicroLogix 1100 y 1400 no realizan correctamente la autenticaci\u00f3n para actualizaciones de firmware Ethernet, lo que permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de un troyano que se hace pasar por una actualizaci\u00f3n.\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:C/I:C/A:C\",\"baseScore\":10.0,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"COMPLETE\",\"integrityImpact\":\"COMPLETE\",\"availabilityImpact\":\"COMPLETE\"},\"baseSeverity\":\"HIGH\",\"exploitabilityScore\":10.0,\"impactScore\":10.0,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"ics-cert@hq.dhs.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-287\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rockwellautomation:controllogix_controllers:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"20\",\"matchCriteriaId\":\"37F4D4ED-1915-4155-9F0A-691771AA534B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rockwellautomation:guardlogix_controllers:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"20\",\"matchCriteriaId\":\"A2F8B5EE-C1BA-4CFB-B17F-C59BCDB41503\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1100\",\"matchCriteriaId\":\"DE554CCC-0A46-43D4-8D7D-44200BB7D314\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rockwellautomation:micrologix:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"1400\",\"matchCriteriaId\":\"8D3B4218-4483-4FAE-9915-8937F40AED27\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:rockwellautomation:softlogix_controllers:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"19\",\"matchCriteriaId\":\"FE7219A5-4759-4143-B89F-869D49CAAFF7\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:1756-enbt:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"330E9A05-C869-41B1-BB28-FD2A7C7ED0CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:1756-eweb:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"2AD7D5DB-4A49-421A-8C6C-B9E6DA0A499B\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:1768-enbt:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DD44B55C-BDD7-41CC-91A9-F31ED2FC69E2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:1768-eweb:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"C91D5245-DED2-469C-A800-62109F8159C9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:1794-aentr_flex_i\\\\/o_ethernet\\\\/ip_adapter:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"0BD25E6B-6AE1-4B8C-A086-F5E152CAAA60\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:compactlogix:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"18\",\"matchCriteriaId\":\"AA199887-E8F7-48EE-B1E0-9EF2E439DACE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:compactlogix_controllers:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"19\",\"matchCriteriaId\":\"A763D845-B091-47A4-8A29-A1CD19C1E4F2\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:compactlogix_l32e_controller:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"19B8ED27-2512-4A42-973C-99D300963046\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:compactlogix_l35e_controller:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7EFC590C-01C1-48D1-A5BE-0F70BE7F36B9\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:controllogix:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"18\",\"matchCriteriaId\":\"4FE24B9B-9F7D-4D8F-A674-F04FC9F9F8BC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:flexlogix_1788-enbt_adapter:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"887A3369-548C-42B0-82C5-92CB161D3B7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:guardlogix:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"18\",\"matchCriteriaId\":\"E98626DD-BC79-473E-B25F-92C9BA12F6DD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:h:rockwellautomation:softlogix:*:*:*:*:*:*:*:*\",\"versionEndIncluding\":\"18\",\"matchCriteriaId\":\"D83AF504-2845-4022-BA8E-52F4FB773EA4\"}]}]}],\"references\":[{\"url\":\"http://rockwellautomation.custhelp.com/app/answers/detail/a_id/54102\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"https://rockwellautomation.custhelp.com/app/answers/detail/a_id/470154\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"https://rockwellautomation.custhelp.com/app/answers/detail/aid/470155\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"https://rockwellautomation.custhelp.com/app/answers/detail/aid/470156\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"https://www.cisa.gov/news-events/ics-advisories/icsa-13-011-03\",\"source\":\"ics-cert@hq.dhs.gov\"},{\"url\":\"http://www.us-cert.gov/control_systems/pdf/ICSA-13-011-03.pdf\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"US Government Resource\"]}]}}"
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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