If the information is not clear, customers are advised to contact the Cisco Technical Assistance Center (TAC) or their contracted maintenance providers. 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. When considering software upgrades, customers are advised to regularly consult the advisories for Cisco products, which are available from the Cisco Security Advisories and Alerts page, to determine exposure and a complete upgrade solution. Free security software updates do not entitle customers to a new software license, additional software feature sets, or major revision upgrades.
In most cases this will be a maintenance upgrade to software that was previously purchased.
By installing, downloading, accessing, or otherwise using such software upgrades, customers agree to follow the terms of the Cisco software license: Īdditionally, customers may only download software for which they have a valid license, procured from Cisco directly, or through a Cisco authorized reseller or partner. Customers may only install and expect support for software versions and feature sets for which they have purchased a license. This advisory is available at the following link:Ĭisco has released free software updates that address the vulnerability described in this advisory. There are no workarounds that address this vulnerability. A successful exploit could allow the attacker to execute arbitrary code on the affected system with the privileges of the user.Ĭisco has released software updates that address this vulnerability. The client may fail to properly validate the cryptographic protections of the provided files before executing them as part of an update.
An attacker could exploit this vulnerability by persuading a user to go to a website that returns files to the client that are similar to files that are returned from a valid Webex website. The vulnerability is due to improper validation of cryptographic protections on files that are downloaded by the application as part of a software update. A vulnerability in the software update feature of Cisco Webex Meetings Desktop App for Mac could allow an unauthenticated, remote attacker to execute arbitrary code on an affected system.
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