var-201203-0226

Vulnerability from variot

Cisco Wireless LAN Controller (WLC) devices with software 4.x, 5.x, 6.0, and 7.0 before 7.0.220.4, when CPU-based ACLs are enabled, allow remote attackers to read or modify the configuration via unspecified vectors, aka Bug ID CSCtu56709. The problem is Bug ID CSCtu56709 It is a problem.The setting may be read or changed by a third party. The Cisco Wireless LAN Controller is responsible for system-wide wireless LAN functions such as security policy, intrusion protection, RF management, quality of service, and mobility. Allows unauthenticated attackers to view and modify the configuration on the Cisco WLC affected by this vulnerability. Wireless controllers configured with CPU-based ACLs are more affected by this vulnerability, and an attacker can connect to TCP port 1023 to exploit this vulnerability. This issue is being tracked by Cisco Bug ID CSCtu56709. Workarounds are available that mitigate some of these vulnerabilities.

This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc

Affected Products

The Cisco WLC product family is affected by multiple vulnerabilities.

Vulnerable Products +------------------

For specific version information, refer to the Software Versions and Fixes section of this advisory.

Each of the following products is affected by at least one of the vulnerabilities covered in this Security Advisory:

Cisco 2000 Series WLC
Cisco 2100 Series WLC
Cisco 2500 Series WLC
Cisco 4100 Series WLC
Cisco 4400 Series WLC
Cisco 5500 Series WLC
Cisco 500 Series Wireless Express Mobility Controllers
Cisco Wireless Services Modules (WiSM)
Cisco Wireless Services Modules version 2 (WiSM version 2)
Cisco NME-AIR-WLC Modules for Integrated Services Routers (ISRs)
Cisco NM-AIR-WLC Modules for Integrated Services Routers (ISRs)
Cisco Catalyst 3750G Integrated WLCs
Cisco Flex 7500 Series Cloud Controllers

Note: The Cisco 2000 Series WLCs, Cisco 4100 Series WLCs, Cisco NM-AIR-WLC, and Cisco 500 Series Wireless Express Mobility Controllers, have reached end-of-software maintenance. The following table includes the end-of-life document URL for each model:

+-------------------------------------------------------------------+ |Model |End of Life Document URL | |----------------------+--------------------------------------------| |Cisco 2000 Series WLC |http://www.cisco.com/en/US/prod/collateral/ | | |wireless/ps6302/ps8322/ps6308/ | | |prod_end-of-life_notice0900aecd805d22b0.html| |----------------------+--------------------------------------------| |Cisco 4100 Series WLC |http://www.cisco.com/en/US/prod/collateral/ | | |wireless/ps6302/ps8322/ps6307/ | | |prod_end-of-life_notice0900aecd803387a9.html| |----------------------+--------------------------------------------| |Cisco NM-AIR-WLC |http://www.cisco.com/en/US/prod/collateral/ | |Modules for ISR |modules/ps2797/ | | |prod_end-of-life_notice0900aecd806aeb34.html| |----------------------+--------------------------------------------| |Cisco 500 Series |http://www.cisco.com/en/US/prod/collateral/ | |Wireless Express |wireless/ps7306/ps7320/ps7339/ | |Mobility Controllers |end_of_life_c51-568040.html | +-------------------------------------------------------------------+

Determination of Software Versions +---------------------------------

To determine the WLC version that is running in a given environment, use one of the following methods:

In the web interface, choose the Monitor tab, click Summary in the left pane, and note the Software Version field.
In the command-line interface, issue the show sysinfo command as shown in the following example:

(Cisco Controller)> show sysinfo

Manufacturer's Name.. Cisco Systems Inc. Product Name......... Cisco Controller Product Version...... 5.1.151.0 RTOS Version......... Linux-2.6.10_mvl401 Bootloader Version... 4.0.207.0 Build Type........... DATA + WPS

Products Confirmed Not Vulnerable +-------------------------------- No other Cisco products are currently known to be affected by these vulnerabilities. These devices communicate with controller-based access points over any Layer 2 (Ethernet) or Layer 3 (IP) infrastructure using the Lightweight Access Point Protocol (LWAPP) and the Control and Provisioning of Wireless Access Points (CAPWAP) protocol. This vulnerability can be exploited from both wired and wireless segments. Only the Cisco 4400 Series WLCs, WiSM version 1, and Cisco Catalyst 3750G Integrated WLCs are affected by this vulnerability. Vulnerability Scoring Details ============================= Cisco has scored the vulnerabilities in this advisory based on the Common Vulnerability Scoring System (CVSS). The CVSS scoring in this security advisory is in accordance with CVSS version 2.0. CVSS is a standards-based scoring method that conveys vulnerability severity and helps organizations determine the urgency and priority of a response. Cisco has provided a base and temporal score. Customers can also compute environmental scores that help determine the impact of the vulnerability in their own networks. Cisco has provided additional information regarding CVSS at the following link: http://www.cisco.com/web/about/security/intelligence/cvss-qandas.html Cisco has also provided a CVSS calculator to compute the environmental impact for individual networks at the following link: http://intellishield.cisco.com/security/alertmanager/cvss * CSCts81997 - Cisco Wireless LAN Controllers HTTP Denial of Service Vulnerability CVSS Base Score - 7.8 Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete CVSS Temporal Score - 6.4 Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed * CSCtt07949 - Cisco Wireless LAN Controllers IPv6 Denial of Service Vulnerability CVSS Base Score - 7.8 Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete CVSS Temporal Score - 6.4 Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed * CSCtt47435 - Cisco Wireless LAN Controllers WebAuth Denial of Service Vulnerability CVSS Base Score - 7.8 Access Vector - Network Access Complexity - Low Authentication - None Confidentiality Impact - None Integrity Impact - None Availability Impact - Complete CVSS Temporal Score - 6.4 Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed * CSCtu56709 - Cisco Wireless LAN Controllers Unauthorized Access Vulnerability CVSS Base Score - 9.3 Access Vector - Network Access Complexity - Medium Authentication - None Confidentiality Impact - Complete Integrity Impact - Complete Availability Impact - Complete CVSS Temporal Score - 7.7 Exploitability - Functional Remediation Level - Official-Fix Report Confidence - Confirmed Impact ====== Successful exploitation of the DoS vulnerabilities could allow an unauthenticated attacker to cause an affected device to reload. Repeated exploitation could result in a sustained DoS condition. Software Versions and Fixes =========================== When considering software upgrades, customers are advised to consult the Cisco Security Advisories and Responses archive at: http://www.cisco.com/go/psirt Review subsequent advisories to determine exposure and a complete upgrade solution. In all cases, customers should ensure that the devices to be upgraded contain sufficient memory and confirm that current hardware and software configurations will continue to be supported properly by the new release. If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. If a given release train is vulnerable, then the earliest possible releases that contain the fix (along with the anticipated date of availability for each, if applicable) are listed in the "First Fixed Release" column of the table. A device running a release in the given train that is earlier than the release in a specific column (less than the First Fixed Release) is known to be vulnerable. +-------------------------------------------------------------------+ | Vulnerability/Bug ID | Affected | First Fixed Release | | | Release | | |------------------------------+------------+-----------------------| | | 4.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.1 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.1M | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.2 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.2M | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | HTTP DoS Vulnerability | 5.0 | Vulnerable; Migrate | | (CSCts81997) | | to 7.0 or later | | |------------+-----------------------| | | 5.1 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 5.2 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 6.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 7.0 | 7.0.220.0 | | |------------+-----------------------| | | 7.1 | 7.1.91.0 | | |------------+-----------------------| | | 7.2 | 7.2.103.0 | |------------------------------+------------+-----------------------| | | 4.0 | Not Vulnerable | | |------------+-----------------------| | | 4.1 | Not Vulnerable | | |------------+-----------------------| | | 4.1M | Not Vulnerable | | |------------+-----------------------| | | 4.2 | Not Vulnerable | | |------------+-----------------------| | | 4.2M | Not Vulnerable | | |------------+-----------------------| | | 5.0 | Not Vulnerable | | |------------+-----------------------| | IPv6DoS Vulnerability | 5.1 | Not Vulnerable | |(CSCtt07949) |------------+-----------------------| | | 5.2 | Not Vulnerable | | |------------+-----------------------| | | 6.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 7.0 | 7.0.220.0 | | |------------+-----------------------| | | 7.1 | 7.1.91.0 | | |------------+-----------------------| | | 7.2 | 7.2.103.0 | |------------------------------+------------+-----------------------| | | 4.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.1 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.1M | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.2 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.2M | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | WebAuth DoS Vulnerability | 5.0 | Vulnerable; Migrate | | (CSCtt47435) | | to 7.0 or later | | |------------+-----------------------| | | 5.1 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 5.2 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 6.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 7.0 | 7.0.220.0 | | |------------+-----------------------| | | 7.1 | 7.1.91.0 | | |------------+-----------------------| | | 7.2 | Not Vulnerable | |------------------------------+------------+-----------------------| | | 4.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.1 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.1M | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.2 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 4.2M | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | Unauthorized Access | 5.0 | Vulnerable; Migrate | | Vulnerability (CSCtu56709) | | to 7.0 or later | | |------------+-----------------------| | | 5.1 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 5.2 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 6.0 | Vulnerable; Migrate | | | | to 7.0 or later | | |------------+-----------------------| | | 7.0 | 7.0.220.4 | | |------------+-----------------------| | | 7.1 | Not Vulnerable | | |------------+-----------------------| | | 7.2 | Not Vulnerable | +-------------------------------------------------------------------+ Recommended Releases +------------------- The "Recommended Release" table lists the releases which have fixes for all the published vulnerabilities at the time of this Advisory. Cisco recommends upgrading to a release equal to or later than the release in the "Recommended Releases" table. +-------------------------------------------------------------------+ | Affected Release | Recommended Release | |------------------------------+------------------------------------| | 7.0 | 7.0.230.0 | |------------------------------+------------------------------------| | 7.1 | 7.1.91.0 | |------------------------------+------------------------------------| | 7.2 | 7.2.103.0 | +-------------------------------------------------------------------+ Workarounds =========== This Cisco Security Advisory describes multiple distinct vulnerabilities. These vulnerabilities and their respective workarounds are independent of each other. After ACLs are defined, they can be applied to the management interface, the access point manager (AP-manager) interface, or any of the dynamic interfaces for client data traffic or to the Network Processing Unit (NPU) interface for traffic to the controller CPU. Additional mitigations that can be deployed on Cisco devices in the network are available in the Cisco Applied Mitigation Bulletin companion document for this advisory, which is available at the following link: http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20120229-wlc Obtaining Fixed Software ======================== Cisco has released free software updates that address the vulnerabilities described in this advisory. Prior to deploying software, customers are advised to consult their maintenance providers or check the software for feature set compatibility and known issues that are specific to their environments. Customers may only install and expect support for feature sets they have purchased. By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license at: http://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html Or as set forth at http://www.cisco.com/public/sw-center/sw-usingswc.shtml Do not contact psirt@cisco.com or security-alert@cisco.com for software upgrades. Customers with Service Contracts +------------------------------- Customers with contracts should obtain upgraded software through their regular update channels. For most customers, upgrades should be obtained through the Software Center on Cisco.com at: http://www.cisco.com Customers Using Third-Party Support Organizations +------------------------------------------------ Customers with Cisco products that are provided or maintained through prior or existing agreements with third-party support organizations, such as Cisco Partners, authorized resellers, or service providers, should contact that organization for assistance with the appropriate course of action. The effectiveness of any workaround or fix depends on specific customer situations, such as product mix, network topology, traffic behavior, and organizational mission. Because of the variety of affected products and releases, customers should consult their service providers or support organizations to ensure that any applied workaround or fix is the most appropriate in the intended network before it is deployed. Customers Without Service Contracts +---------------------------------- Customers who purchase directly from Cisco but do not hold a Cisco service contract and customers who make purchases through third-party vendors but are unsuccessful in obtaining fixed software through their point of sale should obtain upgrades by contacting the Cisco Technical Assistance Center (TAC): * +1 800 553 2447 (toll free from within North America) * +1 408 526 7209 (toll call from anywhere in the world) * e-mail: tac@cisco.com Customers should have the product serial number available and be prepared to provide the URL of this advisory as evidence of entitlement to a free upgrade. Customers without service contracts should request free upgrades through the TAC. Refer to Cisco Worldwide Contacts at: http://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html For additional TAC contact information, including localized telephone numbers, instructions, and e-mail addresses for support in various languages. Exploitation and Public Announcements ===================================== The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerabilities that are described in this advisory. These vulnerabilities were found during internal testing and during the troubleshooting of customer service requests. Status of This Notice: Final ============================ THIS DOCUMENT IS PROVIDED ON AN "AS IS" BASIS AND DOES NOT IMPLY ANY KIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE INFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS AT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS DOCUMENT AT ANY TIME. A stand-alone copy or Paraphrase of the text of this document that omits the distribution URL in the following section is an uncontrolled copy, and may lack important information or contain factual errors. Distribution ============ This advisory is posted on Cisco Security Intelligence Operations at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc Additionally, a text version of this advisory is clear signed with the Cisco PSIRT PGP key and circulated among the following e-mail addresses: * cust-security-announce@cisco.com * first-bulletins@lists.first.org * bugtraq@securityfocus.com * vulnwatch@vulnwatch.org * cisco@spot.colorado.edu * cisco-nsp@puck.nether.net * full-disclosure@lists.grok.org.uk Future updates of this advisory, if any, will reside on Cisco.com but may not be announced on mailing lists. Users can monitor this advisory's URL for any updates. Revision History ================ +-------------------------------------------------------------------+ | Revision 1.0 | 2012-February-29 | Initial public release. | +-------------------------------------------------------------------+ Cisco Security Procedures ========================= Complete information about reporting security vulnerabilities in Cisco products, obtaining assistance with security incidents, and registering to receive security information from Cisco is available on Cisco.com at: http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html This web page includes instructions for press inquiries regarding Cisco Security Advisories. All Cisco Security Advisories are available at: http://www.cisco.com/go/psirt +-------------------------------------------------------------------- Copyright 2010-2012 Cisco Systems, Inc. All rights reserved. +-------------------------------------------------------------------- -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.17 (Darwin) Comment: GPGTools - http://gpgtools.org iF4EAREIAAYFAk9NNsMACgkQQXnnBKKRMNAT9QD/eiMEVJB+F+vzCBMq6lCKbhxM fvIvDvBx2ZAMARO9pK8A/Rg0q1bR1eL4gblRgg8swazzbV/Pz0A3G4UtSx+gfXBz =lRis -----END PGP SIGNATURE-----

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    "data": "Cisco Wireless LAN Controller (WLC) devices with software 4.x, 5.x, 6.0, and 7.0 before 7.0.220.4, when CPU-based ACLs are enabled, allow remote attackers to read or modify the configuration via unspecified vectors, aka Bug ID CSCtu56709. The problem is Bug ID CSCtu56709 It is a problem.The setting may be read or changed by a third party. The Cisco Wireless LAN Controller is responsible for system-wide wireless LAN functions such as security policy, intrusion protection, RF management, quality of service, and mobility. Allows unauthenticated attackers to view and modify the configuration on the Cisco WLC affected by this vulnerability. Wireless controllers configured with CPU-based ACLs are more affected by this vulnerability, and an attacker can connect to TCP port 1023 to exploit this vulnerability. \nThis issue is being tracked by Cisco Bug ID CSCtu56709. Workarounds are available that mitigate some of these\nvulnerabilities. \n\nThis advisory is available at the following link:\nhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc\n\n\nAffected Products\n=================\n\nThe Cisco WLC product family is affected by multiple vulnerabilities. \n\n\nVulnerable Products\n+------------------\n\nFor specific version information, refer to the Software Versions and\nFixes section of this advisory. \n\nEach of the following products is affected by at least one of the\nvulnerabilities covered in this Security Advisory:\n\n  * Cisco 2000 Series WLC\n  * Cisco 2100 Series WLC\n  * Cisco 2500 Series WLC\n  * Cisco 4100 Series WLC\n  * Cisco 4400 Series WLC\n  * Cisco 5500 Series WLC\n  * Cisco 500 Series Wireless Express Mobility Controllers\n  * Cisco Wireless Services Modules (WiSM)\n  * Cisco Wireless Services Modules version 2 (WiSM version 2)\n  * Cisco NME-AIR-WLC Modules for Integrated Services Routers (ISRs)\n  * Cisco NM-AIR-WLC Modules for Integrated Services Routers (ISRs)\n  * Cisco Catalyst 3750G Integrated WLCs\n  * Cisco Flex 7500 Series Cloud Controllers\n\nNote: The Cisco 2000 Series WLCs, Cisco 4100 Series WLCs, Cisco\nNM-AIR-WLC, and Cisco 500 Series Wireless Express Mobility\nControllers, have reached end-of-software maintenance. The following\ntable includes the end-of-life document URL for each model:\n\n+-------------------------------------------------------------------+\n|Model                 |End of Life Document URL                    |\n|----------------------+--------------------------------------------|\n|Cisco 2000 Series WLC |http://www.cisco.com/en/US/prod/collateral/ |\n|                      |wireless/ps6302/ps8322/ps6308/              |\n|                      |prod_end-of-life_notice0900aecd805d22b0.html|\n|----------------------+--------------------------------------------|\n|Cisco 4100 Series WLC |http://www.cisco.com/en/US/prod/collateral/ |\n|                      |wireless/ps6302/ps8322/ps6307/              |\n|                      |prod_end-of-life_notice0900aecd803387a9.html|\n|----------------------+--------------------------------------------|\n|Cisco NM-AIR-WLC      |http://www.cisco.com/en/US/prod/collateral/ |\n|Modules for ISR       |modules/ps2797/                             |\n|                      |prod_end-of-life_notice0900aecd806aeb34.html|\n|----------------------+--------------------------------------------|\n|Cisco 500 Series      |http://www.cisco.com/en/US/prod/collateral/ |\n|Wireless Express      |wireless/ps7306/ps7320/ps7339/              |\n|Mobility Controllers  |end_of_life_c51-568040.html                 |\n+-------------------------------------------------------------------+\n\n\nDetermination of Software Versions\n+---------------------------------\n\nTo determine the WLC version that is running in a given environment,\nuse one of the following methods:\n\n  * In the web interface, choose the Monitor tab, click Summary in\n    the left pane, and note the Software Version field. \n  * In the command-line interface, issue the show sysinfo command as\n    shown in the following example:\n\n(Cisco Controller)\u003e show sysinfo\n\nManufacturer\u0027s Name.. Cisco Systems Inc. \nProduct Name......... Cisco Controller\nProduct Version...... 5.1.151.0\nRTOS Version......... Linux-2.6.10_mvl401\nBootloader Version... 4.0.207.0\nBuild Type........... DATA + WPS\n\u003coutput suppressed\u003e\n\n\nProducts Confirmed Not Vulnerable\n+--------------------------------\n\nNo other Cisco products are currently known to be affected by these\nvulnerabilities. \n\nThese devices communicate with controller-based access points over any\nLayer 2 (Ethernet) or Layer 3 (IP) infrastructure using the\nLightweight Access Point Protocol (LWAPP) and the Control and\nProvisioning of Wireless Access Points (CAPWAP) protocol. \n\nThis vulnerability can be exploited from both wired and wireless\nsegments. Only\nthe Cisco 4400 Series WLCs, WiSM version 1, and Cisco Catalyst 3750G\nIntegrated WLCs are affected by this vulnerability. \n\n\nVulnerability Scoring Details\n=============================\n\nCisco has scored the vulnerabilities in this advisory based on the\nCommon Vulnerability Scoring System (CVSS). The CVSS scoring in this\nsecurity advisory is in accordance with CVSS version 2.0. \n\nCVSS is a standards-based scoring method that conveys vulnerability\nseverity and helps organizations determine the urgency and priority of\na response. \n\nCisco has provided a base and temporal score. Customers can also\ncompute environmental scores that help determine the impact of the\nvulnerability in their own networks. \n\nCisco has provided additional information regarding CVSS at the\nfollowing link:\nhttp://www.cisco.com/web/about/security/intelligence/cvss-qandas.html\n\nCisco has also provided a CVSS calculator to compute the environmental\nimpact for individual networks at the following link:\nhttp://intellishield.cisco.com/security/alertmanager/cvss\n\n\n* CSCts81997 - Cisco Wireless LAN Controllers HTTP Denial of Service Vulnerability\n\nCVSS Base Score - 7.8\n    Access Vector -            Network\n    Access Complexity -        Low\n    Authentication -           None\n    Confidentiality Impact -   None\n    Integrity Impact -         None\n    Availability Impact -      Complete\n\nCVSS Temporal Score - 6.4\n    Exploitability -           Functional\n    Remediation Level -        Official-Fix\n    Report Confidence -        Confirmed\n\n\n* CSCtt07949 - Cisco Wireless LAN Controllers IPv6 Denial of Service Vulnerability\n\nCVSS Base Score - 7.8\n    Access Vector -            Network\n    Access Complexity -        Low\n    Authentication -           None\n    Confidentiality Impact -   None\n    Integrity Impact -         None\n    Availability Impact -      Complete\n\nCVSS Temporal Score - 6.4\n    Exploitability -           Functional\n    Remediation Level -        Official-Fix\n    Report Confidence -        Confirmed\n\n\n* CSCtt47435 - Cisco Wireless LAN Controllers WebAuth Denial of Service Vulnerability\n\nCVSS Base Score - 7.8\n    Access Vector -            Network\n    Access Complexity -        Low\n    Authentication -           None\n    Confidentiality Impact -   None\n    Integrity Impact -         None\n    Availability Impact -      Complete\n\nCVSS Temporal Score - 6.4\n    Exploitability -           Functional\n    Remediation Level -        Official-Fix\n    Report Confidence -        Confirmed\n\n\n* CSCtu56709 - Cisco Wireless LAN Controllers Unauthorized Access Vulnerability\n\nCVSS Base Score - 9.3\n    Access Vector -            Network\n    Access Complexity -        Medium\n    Authentication -           None\n    Confidentiality Impact -   Complete\n    Integrity Impact -         Complete\n    Availability Impact -      Complete\n\nCVSS Temporal Score - 7.7\n    Exploitability -           Functional\n    Remediation Level -        Official-Fix\n    Report Confidence -        Confirmed\n\n\nImpact\n======\n\nSuccessful exploitation of the DoS vulnerabilities could allow an\nunauthenticated attacker to cause an affected device to reload. \nRepeated exploitation could result in a sustained DoS condition. \n\n\nSoftware Versions and Fixes\n===========================\n\nWhen considering software upgrades, customers are advised to consult\nthe Cisco Security Advisories and Responses archive at:\nhttp://www.cisco.com/go/psirt\n\nReview subsequent advisories to determine exposure and a complete\nupgrade solution. \n\nIn all cases, customers should ensure that the devices to be upgraded\ncontain sufficient memory and confirm that current hardware and\nsoftware configurations will continue to be supported properly by the\nnew release. If the information is not clear, customers are advised to\ncontact the Cisco Technical Assistance Center (TAC) or their\ncontracted maintenance providers. \n\nIf a given release train is vulnerable, then the earliest possible\nreleases that contain the fix (along with the anticipated date of\navailability for each, if applicable) are listed in the \"First Fixed\nRelease\" column of the table. A device running a release in the given\ntrain that is earlier than the release in a specific column (less than\nthe First Fixed Release) is known to be vulnerable. \n\n+-------------------------------------------------------------------+\n| Vulnerability/Bug ID         | Affected   | First Fixed Release   |\n|                              | Release    |                       |\n|------------------------------+------------+-----------------------|\n|                              | 4.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.1        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.1M       | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.2        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.2M       | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n| HTTP DoS Vulnerability       | 5.0        | Vulnerable; Migrate   |\n| (CSCts81997)                 |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 5.1        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 5.2        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 6.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 7.0        | 7.0.220.0             |\n|                              |------------+-----------------------|\n|                              | 7.1        | 7.1.91.0              |\n|                              |------------+-----------------------|\n|                              | 7.2        | 7.2.103.0             |\n|------------------------------+------------+-----------------------|\n|                              | 4.0        | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 4.1        | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 4.1M       | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 4.2        | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 4.2M       | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 5.0        | Not Vulnerable        |\n|                              |------------+-----------------------|\n| IPv6DoS Vulnerability        | 5.1        | Not Vulnerable        |\n|(CSCtt07949)                  |------------+-----------------------|\n|                              | 5.2        | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 6.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 7.0        | 7.0.220.0             |\n|                              |------------+-----------------------|\n|                              | 7.1        | 7.1.91.0              |\n|                              |------------+-----------------------|\n|                              | 7.2        | 7.2.103.0             |\n|------------------------------+------------+-----------------------|\n|                              | 4.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.1        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.1M       | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.2        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.2M       | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n| WebAuth DoS Vulnerability    | 5.0        | Vulnerable; Migrate   |\n| (CSCtt47435)                 |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 5.1        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 5.2        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 6.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 7.0        | 7.0.220.0             |\n|                              |------------+-----------------------|\n|                              | 7.1        | 7.1.91.0              |\n|                              |------------+-----------------------|\n|                              | 7.2        |  Not Vulnerable       |\n|------------------------------+------------+-----------------------|\n|                              | 4.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.1        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.1M       | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.2        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 4.2M       | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n| Unauthorized Access          | 5.0        | Vulnerable; Migrate   |\n| Vulnerability (CSCtu56709)   |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 5.1        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 5.2        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 6.0        | Vulnerable; Migrate   |\n|                              |            | to 7.0 or later       |\n|                              |------------+-----------------------|\n|                              | 7.0        | 7.0.220.4             |\n|                              |------------+-----------------------|\n|                              | 7.1        | Not Vulnerable        |\n|                              |------------+-----------------------|\n|                              | 7.2        | Not Vulnerable        |\n+-------------------------------------------------------------------+\n\n\nRecommended Releases\n+-------------------\n\nThe \"Recommended Release\" table lists the releases which have fixes\nfor all the published vulnerabilities at the time of this Advisory. \nCisco recommends upgrading to a release equal to or later than the\nrelease in the \"Recommended Releases\" table. \n\n+-------------------------------------------------------------------+\n| Affected Release             | Recommended Release                |\n|------------------------------+------------------------------------|\n| 7.0                          | 7.0.230.0                          |\n|------------------------------+------------------------------------|\n| 7.1                          | 7.1.91.0                           |\n|------------------------------+------------------------------------|\n| 7.2                          | 7.2.103.0                          |\n+-------------------------------------------------------------------+\n\n\nWorkarounds\n===========\n\nThis Cisco Security Advisory describes multiple distinct\nvulnerabilities. These vulnerabilities and their respective\nworkarounds are independent of each other. After ACLs are defined, they can be applied to the\nmanagement interface, the access point manager (AP-manager) interface,\nor any of the dynamic interfaces for client data traffic or to the\nNetwork Processing Unit (NPU) interface for traffic to the controller\nCPU. \n\nAdditional mitigations that can be deployed on Cisco devices in the\nnetwork are available in the Cisco Applied Mitigation Bulletin\ncompanion document for this advisory, which is available at the\nfollowing link:\nhttp://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20120229-wlc\n\n\nObtaining Fixed Software\n========================\n\nCisco has released free software updates that address the\nvulnerabilities described in this advisory. Prior to deploying\nsoftware, customers are advised to consult their maintenance providers\nor check the software for feature set compatibility and known issues\nthat are specific to their environments. \n\nCustomers may only install and expect support for feature sets they\nhave purchased. By installing, downloading, accessing, or otherwise\nusing such software upgrades, customers agree to follow the terms of\nthe Cisco software license at:\nhttp://www.cisco.com/en/US/docs/general/warranty/English/EU1KEN_.html\n\nOr as set forth at http://www.cisco.com/public/sw-center/sw-usingswc.shtml\n\nDo not contact psirt@cisco.com or security-alert@cisco.com for\nsoftware upgrades. \n\n\nCustomers with Service Contracts\n+-------------------------------\n\nCustomers with contracts should obtain upgraded software through their\nregular update channels. For most customers, upgrades should be\nobtained through the Software Center on Cisco.com at:\nhttp://www.cisco.com\n\n\nCustomers Using Third-Party Support Organizations\n+------------------------------------------------\n\nCustomers with Cisco products that are provided or maintained through\nprior or existing agreements with third-party support organizations,\nsuch as Cisco Partners, authorized resellers, or service providers,\nshould contact that organization for assistance with the appropriate\ncourse of action. \n\nThe effectiveness of any workaround or fix depends on specific\ncustomer situations, such as product mix, network topology, traffic\nbehavior, and organizational mission. Because of the variety of\naffected products and releases, customers should consult their service\nproviders or support organizations to ensure that any applied\nworkaround or fix is the most appropriate in the intended network\nbefore it is deployed. \n\n\nCustomers Without Service Contracts\n+----------------------------------\n\nCustomers who purchase directly from Cisco but do not hold a Cisco\nservice contract and customers who make purchases through third-party\nvendors but are unsuccessful in obtaining fixed software through their\npoint of sale should obtain upgrades by contacting the Cisco Technical\nAssistance Center (TAC):\n\n  * +1 800 553 2447 (toll free from within North America)\n  * +1 408 526 7209 (toll call from anywhere in the world)\n  * e-mail: tac@cisco.com\n\nCustomers should have the product serial number available and be\nprepared to provide the URL of this advisory as evidence of\nentitlement to a free upgrade. Customers without service contracts\nshould request free upgrades through the TAC. \n\nRefer to Cisco Worldwide Contacts at:\nhttp://www.cisco.com/en/US/support/tsd_cisco_worldwide_contacts.html\n\nFor additional TAC contact information, including localized telephone\nnumbers, instructions, and e-mail addresses for support in various\nlanguages. \n\n\nExploitation and Public Announcements\n=====================================\n\nThe Cisco Product Security Incident Response Team (PSIRT) is not aware\nof any public announcements or malicious use of the vulnerabilities\nthat are described in this advisory. \n\nThese vulnerabilities were found during internal testing and during\nthe troubleshooting of customer service requests. \n\n\nStatus of This Notice: Final\n============================\n\nTHIS DOCUMENT IS PROVIDED ON AN \"AS IS\" BASIS AND DOES NOT IMPLY ANY\nKIND OF GUARANTEE OR WARRANTY, INCLUDING THE WARRANTIES OF\nMERCHANTABILITY OR FITNESS FOR A PARTICULAR USE. YOUR USE OF THE\nINFORMATION ON THE DOCUMENT OR MATERIALS LINKED FROM THE DOCUMENT IS\nAT YOUR OWN RISK. CISCO RESERVES THE RIGHT TO CHANGE OR UPDATE THIS\nDOCUMENT AT ANY TIME. \n\nA stand-alone copy or Paraphrase of the text of this document that\nomits the distribution URL in the following section is an\nuncontrolled copy, and may lack important information or contain\nfactual errors. \n\n\nDistribution\n============\n\nThis advisory is posted on Cisco Security Intelligence Operations at\nthe following link:\nhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc\n\nAdditionally, a text version of this advisory is clear signed with\nthe Cisco PSIRT PGP key and circulated among the following e-mail\naddresses:\n\n  * cust-security-announce@cisco.com\n  * first-bulletins@lists.first.org\n  * bugtraq@securityfocus.com\n  * vulnwatch@vulnwatch.org\n  * cisco@spot.colorado.edu\n  * cisco-nsp@puck.nether.net\n  * full-disclosure@lists.grok.org.uk\n\nFuture updates of this advisory, if any, will reside on Cisco.com but\nmay not be announced on mailing lists. Users can monitor this\nadvisory\u0027s URL for any updates. \n\n\nRevision History\n================\n\n+-------------------------------------------------------------------+\n| Revision 1.0   | 2012-February-29   | Initial public release.     |\n+-------------------------------------------------------------------+\n\n\nCisco Security Procedures\n=========================\n\nComplete information about reporting security vulnerabilities in\nCisco products, obtaining assistance with security incidents, and\nregistering to receive security information from Cisco is available\non Cisco.com at:\nhttp://www.cisco.com/en/US/products/products_security_vulnerability_policy.html\n\nThis web page includes instructions for press inquiries regarding\nCisco Security Advisories. All Cisco Security Advisories are available\nat:\nhttp://www.cisco.com/go/psirt\n\n+--------------------------------------------------------------------\nCopyright 2010-2012 Cisco Systems, Inc. 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cve-2012-0371

Vulnerability from cvelistv5

Published

2012-03-01 01:00

Modified

2024-08-06 18:23

Severity ?

Summary

References

▼	URL	Tags
	http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-wlc	vendor-advisory, x_refsource_CISCO
	http://archives.neohapsis.com/archives/bugtraq/2012-02/0188.html	mailing-list, x_refsource_BUGTRAQ

Impacted products

Vendor

Product

Version

▼

n/a

Version: n/a

Show details on NVD website

JSON

To clipboard

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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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