CVE-2015-5836

Name of the Vulnerable Software and Affected Versions Apple OS X versions prior to 10.11

Description The issue is related to improper validation of iCloud keychain item ACLs in the Apple Online Store Kit. This allows attackers to obtain access to keychain items via a crafted app. The vulnerability can be exploited by a remote attacker using a specially formed application to gain access to keychain item management.

Recommendations For versions prior to 10.11, update to version 10.11 or later to resolve the issue. As a temporary workaround, consider restricting access to keychain items to minimize the risk of exploitation.