Stumbled into this just now. Apparently Apple has removed Keychain First Aid from Keychain Access in
El Capitan 10.11.2
Keychain Access
Available for: OS X El Capitan v10.11 and v10.11.1
Impact: A malicious application may be able to masquerade as the Keychain Server.
Description: An issue existed in how Keychain Access interacted with Keychain Agent. This issue was resolved by removing legacy functionality.
CVE-ID
CVE-2015-7045 : Luyi Xing and XiaoFeng Wang of Indiana University Bloomington, Xiaolong Bai of Indiana University Bloomington and Tsinghua University, Tongxin Li of Peking University, Kai Chen of Indiana University Bloomington and Institute of Information Engineering, Xiaojing Liao of Georgia Institute of Technology, Shi-Min Hu of Tsinghua University, and Xinhui Han of Peking University
