var-201203-0052
Vulnerability from variot
Cisco TelePresence Video Communication Server with software before X7.0.1 allows remote attackers to cause a denial of service (device crash) via a malformed SIP message, aka Bug ID CSCtr20426. The issues are documented by Cisco Bug IDs CSCtr20426 and CSCtq73319.
Cisco has released free software updates that address these vulnerabilities. There are no workarounds that mitigate these vulnerabilities.
Products Confirmed Not Vulnerable +--------------------------------
No other Cisco products are currently known to be affected by these vulnerabilities. These vulnerabilities are triggered by a crafted Session Initiation Protocol (SIP) packet that is sent to an affected device on either TCP and UDP ports 5060 or 5061.
These vulnerabilities are documented in Cisco bug ID CSCtr20426 ( registered customers only) and CSCtq73319 (registered customers only), and have been assigned Common Vulnerability and Exposure (CVE) IDs CVE-2012-0330 and CVE-2012-0331, respectively.
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
- CSCtr20426 - Error while processing malformed SIP message
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
- CSCtq73319 - Tandberg SIP INVITE 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
Impact
Successful exploitation of these vulnerabilities could result in a system crash that may lead to a 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 and 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.
These vulnerabilities have been fixed in the X7.0.1 version of the software.
Workarounds
There are no workarounds available that mitigate these vulnerabilities.
Additional mitigations that can be deployed on Cisco devices within the network are available in the Cisco Applied Intelligence companion document for this advisory: http://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20120229-vcs
In order to improve the security posture of their installations, users are recommended to consult the Cisco TelePresence Hardening Guide, which is available at: http://www.cisco.com/web/about/security/intelligence/TP_Harden_Guide_wp.html
Obtaining Fixed Software
Cisco has released free software updates that address 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.
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-vcs
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 | | Initial | | 1.0 | 2012-February-29 | 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. +--------------------------------------------------------------------
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"data": "Cisco TelePresence Video Communication Server with software before X7.0.1 allows remote attackers to cause a denial of service (device crash) via a malformed SIP message, aka Bug ID CSCtr20426. \nThe issues are documented by Cisco Bug IDs CSCtr20426 and CSCtq73319. \n\nCisco has released free software updates that address these\nvulnerabilities. There are no workarounds that mitigate these\nvulnerabilities. \n\nProducts Confirmed Not Vulnerable\n+--------------------------------\n\nNo other Cisco products are currently known to be affected by these\nvulnerabilities. \nThese vulnerabilities are triggered by a crafted Session Initiation\nProtocol (SIP) packet that is sent to an affected device on either\nTCP and UDP ports 5060 or 5061. \n\nThese vulnerabilities are documented in Cisco bug ID CSCtr20426 (\nregistered customers only) and CSCtq73319 (registered customers\nonly), and have been assigned Common Vulnerability and Exposure (CVE)\nIDs CVE-2012-0330 and CVE-2012-0331, respectively. \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\nof a 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:\n\nhttp://www.cisco.com/web/about/security/intelligence/cvss-qandas.html\n\nCisco has also provided a CVSS calculator to compute the\nenvironmental impact for individual networks at the following link:\n\nhttp://intellishield.cisco.com/security/alertmanager/cvss\n\n* CSCtr20426 - Error while processing malformed SIP message\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* CSCtq73319 - Tandberg SIP INVITE 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\nImpact\n======\n\nSuccessful exploitation of these vulnerabilities could result in a\nsystem crash that may lead to a DoS condition. \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 and review subsequent advisories to determine\nexposure and a complete upgrade 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\nto contact the Cisco Technical Assistance Center (TAC) or their\ncontracted maintenance providers. \n\nThese vulnerabilities have been fixed in the X7.0.1 version of the\nsoftware. \n\n\nWorkarounds\n===========\n\nThere are no workarounds available that mitigate these\nvulnerabilities. \n\nAdditional mitigations that can be deployed on Cisco devices within\nthe network are available in the Cisco Applied Intelligence companion\ndocument for this advisory: \nhttp://tools.cisco.com/security/center/content/CiscoAppliedMitigationBulletin/cisco-amb-20120229-vcs\n\nIn order to improve the security posture of their installations,\nusers are recommended to consult the Cisco TelePresence Hardening\nGuide, which is available at: \nhttp://www.cisco.com/web/about/security/intelligence/TP_Harden_Guide_wp.html\n\nObtaining Fixed Software\n========================\n\nCisco has released free software updates that address vulnerabilities\ndescribed in this advisory. Prior to deploying software, customers\nare advised to consult their maintenance providers or check the\nsoftware for feature set compatibility and known issues that are\nspecific 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\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\nCustomers with Service Contracts\n+-------------------------------\n\nCustomers with contracts should obtain upgraded software through\ntheir regular update channels. For most customers, upgrades should be\nobtained through the Software Center on Cisco.com at:\nhttp://www.cisco.com\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\nservice providers or support organizations to ensure that any applied\nworkaround or fix is the most appropriate in the intended network\nbefore it is deployed. \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\ntheir point of sale should obtain upgrades by contacting the Cisco\nTechnical Assistance 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 \nfor additional TAC contact information, including localized telephone \nnumbers, instructions, and e-mail addresses for support in various languages. \n\nExploitation and Public Announcements\n=====================================\n\nThe Cisco Product Security Incident Response Team (PSIRT) is not\naware of any public announcements or malicious use of the\nvulnerabilities that are described in this advisory. \n\nThese vulnerabilities were found during internal testing. \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:\n\nhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120229-vcs\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 | | Initial |\n| 1.0 | 2012-February-29 | public |\n| | | release |\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\nThis web page includes instructions for press inquiries regarding \nCisco Security Advisories. \n\nAll Cisco Security Advisories are available at http://www.cisco.com/go/psirt\n\n\n+--------------------------------------------------------------------\nCopyright 2010-2012 Cisco Systems, Inc. All rights reserved. \n+--------------------------------------------------------------------\n\n\n-----BEGIN PGP SIGNATURE-----\nVersion: GnuPG v1.4.5 (SunOS)\n\niFcDBQFPTli6QXnnBKKRMNARCFtaAP0UFJN+xj8Fh/q8wqP3YjlK06bYXdQyp+me\n6EWUQbIjtAD/ci+VvBfObulEF0DjT040PuddY7/L6zfdeBVT2XYdMMw=\n=ibGU\n-----END PGP SIGNATURE-----\n",
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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.