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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.1233 Cisco Jabber for Windows Certificate Validation Vulnerability 9 September 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Cisco Jabber Publisher: Cisco Systems Operating System: Windows Impact/Access: Access Privileged Data -- Remote/Unauthenticated Provide Misleading Information -- Remote/Unauthenticated Unauthorised Access -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2013-1228 Original Bulletin: http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1228 - --------------------------BEGIN INCLUDED TEXT-------------------- Cisco Security Notice Cisco Jabber for Windows Certificate Validation Vulnerability http://tools.cisco.com/security/center/content/CiscoSecurityNotice/CVE-2013-1228 CVE ID: CVE-2013-1228 Release Date: 2013 September 5 13:07 UTC (GMT) Last Updated: 2013 September 5 16:00 UTC (GMT) Related Documents: Summary A vulnerability in Cisco Jabber for Windows could allow an unauthenticated, remote attacker to gain a man-in-the-middle position. The vulnerability is due to a failure to validate server certificates when negotiating a connection over Secure Sockets Layer (SSL). An attacker could exploit this vulnerability by intercepting and altering the connection. Affected Products Product More Information CVSS Cisco Jabber for Windows CSCug30280 4.3/3.4 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/en/US/products/products_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. 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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 iQIVAwUBUi0/xRLndAQH1ShLAQKD7RAArgJVlahdDHVZN5Xi2oMOv0zwW1JCfkhf T0jHt2XmZym7MooZiCvXt75O6aCtd6qkZpjLmRjpEbODfpEdwXSSm2i2FFO30eVO b1IMQKW12avkwJwh3fQZVLIZSr3Ls1LdrRCX+BbOY2jeHp/vNxakQsGS6Mf77krJ xZraKXVcC6kgLkdXAtWvRCLkxc+9B2m0BBxtYOxKtPGRs4l2EPmPnQtqGjP/T7wt /ibH9ieL7A0ZTzPWmFkccFgD5dkm/T09ebLd2TPHxU0KsFChbOh3n4Vp8+yslExW oj3f9/l3wVCMrZ7W3sdVoEf5ZqaD4RqHO6ctAciyLjb/hGcjrYkp6T149YEP9idu FZnuqLhEABN6zwvrG5mEoP82sagR2wF+HgRmWFnlVYPruOXAHs2Z8VA6o0OY/P/M gMbDNQg1FknIOlHDyuyhnXnjMeWXj5RjsB49ZMOM0dJmLQx80FYVlyiXFjy9+BNO yyrdD5nrNFjvLCgKUHdB+RyKOJEVjAcbvsf5fcmPPlH5pJHTLmdicxVDLQ6JlMOA yk/jMqjy/MgjEFWbNu1SBLxsSqxpzvy9uUnh0LRtmc7FBB1GMJKC1uOndCBJdk3S ruejom56GtP7Jw1PhZogoT6GNqgXVRtkFJK4H40ktZrCM3Bd+4L/0PRPYIDWlHC/ KZGOUteH4wk= =3ml4 -----END PGP SIGNATURE-----