Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2014.0681 Cisco Nexus 1000V Access Control List Bypass Vulnerability 7 May 2014 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Nexus 1000V Publisher: Cisco Systems Operating System: VMware ESX Server Cisco Impact/Access: Reduced Security -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2014-0685 Original Bulletin: tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0685 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco Nexus 1000V Access Control List Bypass Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2014-0685 CVE ID: CVE-2014-0685 Release Date: 2014 May 5 20:52 UTC (GMT) Last Updated: 2014 May 6 19:14 UTC (GMT) Related Documents: Summary A vulnerability in Cisco Nexus 1000V switches could allow an unauthenticated, remote attacker to bypass deny statements in access control lists (ACLs) with certain types of Internet Group Management Protocol version 2 (IGMPv2) or IGMP version 3 (IGMPv3) traffic. IGMP version 1 (IGMPv1) is not affected. The vulnerability is due to a lack of IGMPv2 and IGMPv3 support in ACLs. An attacker could exploit this vulnerability by sending certain IGMPv2 or IGMPv3 requests to an affected switch. Affected Products Product More Information CVSS Cisco Nexus 1000V InterCloud for VMware CSCug61691 5.0/4.1 What Is a Cisco Security Notice? The Cisco Product Security Incident Response Team (PSIRT) publishes Cisco Security Notices to inform customers of low- to mid-level severity security issues involving Cisco products. Customers who wish to upgrade to a software version that includes fixes for these issues should contact their normal support channels. Free software updates will not be provided for issues that are disclosed through a Cisco Security Notice. For additional information about Cisco PSIRT publications, see the Cisco Security Vulnerability Policy at http://www.cisco.com/web/about/security/psirt/security_vulnerability_policy.html Customers Using Third-Party Support Organizations Customers may have 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. For these products, 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. Disclaimer 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 is an uncontrolled copy, and may lack important information or contain factual errors. - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBU2nEhxLndAQH1ShLAQKGOg/+K7eA87sCWeNcMOPHzhWl0Mo/rpPTdAYn 1YDpgZ1p5F6s1Em2BwO1EFgtymXeGAHRXe2DE492NRtRs0CSmPWeqBsHFoHuNL6J Wm3OttVKw3N+EgaYpcUdvU/bioJy8mpg+z5KWXkfYpEwBAJWNR0OKthapNRNUBUt sYEPTsn78RXAZpwNibtD+/Q+Pc5WJokVoUqDfCiEHCusds5ELMuJdhrgE3KwbDzi J82+kF87LTH875BVc3mYHqRWyhoXcYSL7cWyaK1S73H9eKAI+YRnktHmVhE1Wbj4 arv1+SUn9Kj0id+YrYs1hoyzvpeYYHyr9Jx1/2lUfB1PkyI8ryemzrv4+XNpl3+0 eETL70we0V8Vb/tGWD4Mae6UXoxJ2ZJcdDVgRsTr7YeU1jG2wUb2pd45sohO2C1q buFlrc5PWOGNE5Dil1wEAM2n4iy4AaS3LNZG4vZdCo7ffB2XG6Q4jKcaE/mJUkV9 qXqk70L75TrAqCDI9vVuEgvk/ac7aV4/uP53D9GSgxxI8g2hGJOrvoknu4b5OxNR 5i2N8d8kLttTKaz/LWxNu+9+JcakJvOKkRcU4R0KYTQUw4IdB5eyrFbLS+4NnJxo G4VbMnbbzJed3olxs0cOLdzWpo7poFMQgxt78HtEcRkDHaqZxCJGYFddVD8gEw4l A8pQ+0zo/ys= =DWnA -----END PGP SIGNATURE-----