Cisco Security Advisory
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AV:N/AC:M/Au:N/C:P/I:N/A:N/E:F/RL:OF/RC:C
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A vulnerability in the File Transfer functionality of the Cisco WebEx Meetings client could allow an unauthenticated, remote attacker to access arbitrary files on another user's computer also running the Cisco WebEx Meetings client.
The vulnerability exists because the affected software does not properly verify that the file offered by a sending client is the same as the file requested by the receiving client. An attacker could exploit this vulnerability by using a modified Cisco WebEx Meetings client.
Cisco has confirmed the vulnerability in a security notice and released software updates.
Cisco indicates through the CVSS score that functional exploit code exists; however, the code is not known to be publicly available.
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Customers are advised to consult Cisco bug IDs CSCup62442 and CSCup58463 for a complete list of affected product versions.
Vulnerable Products
At the time this alert was first published, the Cisco WebEx Meetings client component distributed by Cisco WebEx Meeting Center and Cisco WebEx Meetings Server versions 1.5(.1.131) and prior were vulnerable . Later versions of Cisco WebEx Meeting Center and Cisco WebEx Meetings Server that distribute the Cisco WebEx Meetings client may also be vulnerable.Products Confirmed Not Vulnerable
No other Cisco products are currently known to be affected by these vulnerabilities.
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Administrators are advised to apply the appropriate updates.
Administrators are advised to allow only trusted users to have network access.
Administrators are advised to disable the File Transfer feature on the Cisco WebEx Meetings Server setup if this feature is not needed.
Administrators are advised to monitor affected systems.
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Cisco customers with active contracts should contact their Cisco support team for assistance in upgrading to a software version that includes fixes for this vulnerability. Cisco customers without contracts may contact the Cisco Technical Assistance Center at 1-800-553-2447 or 1-408-526-7209 or via email at tac@cisco.com for assistance.
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The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.
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To learn about Cisco security vulnerability disclosure policies and publications, see the Security Vulnerability Policy. This document also contains instructions for obtaining fixed software and receiving security vulnerability information from Cisco.
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Show LessVersion Description Section Status Date 1.0 Initial Release NA Final 2014-Jul-10
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