CVE-2017-2448

Name of the Vulnerable Software and Affected Versions iOS versions prior to 10.3 macOS versions prior to 10.12.4 tvOS versions prior to 10.2

Description The issue involves the Keychain component and is related to the lack of protection for service data. It may allow a remote attacker to cause a denial of service or have other impacts on the system. The problem can be exploited by man-in-the-middle attackers to bypass an iCloud Keychain secret protection mechanism by leveraging the lack of authentication for OTR packets.

Recommendations For iOS versions prior to 10.3, update to version 10.3 or later. For macOS versions prior to 10.12.4, update to version 10.12.4 or later. For tvOS versions prior to 10.2, update to version 10.2 or later.