A vulnerability in the client application for iOS of Cisco Webex Teams could allow an authenticated, remote malicious user to upload arbitrary files within the scope of the iOS application. The vulnerability is due to improper input validation in the client application. An attacker could exploit this vulnerability by sending a malicious file to a targeted user and persuading the user to manually open it. An exploit could allow the malicious user to overwrite sensitive application files and eventually cause a denial of service (DoS) condition by foreclosing future access to the system to the targeted user. This vulnerability is fixed in version 3.13.26920.
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Patches available now spread across more than a dozen advisories
Cisco emitted on Wednesday a bunch of security updates that, your support contract willing, you should test and roll out to installations as soon as possible. There are 17 advisories in all, including revised versions of previously issues bulletins, with six marked as high in terms of severity and the rest medium. The worst of the lot grants root access to a local attacker, closely followed by another that allows any remote miscreant in without authorization. Here's a summary of the high-severit...