Security Update 2011-005
Certificate Trust Policy
Available for: Mac OS X v10.6.8, Mac OS X Server v10.6.8, OS X Lion v10.7.1, Lion Server v10.7.1
Impact: An attacker with a privileged network position may intercept user credentials or other sensitive information
Description: Fraudulent certificates were issued by multiple certificate authorities operated by DigiNotar. This issue is addressed by removing DigiNotar from the list of trusted root certificates, from the list of Extended Validation (EV) certificate authorities, and by configuring default system trust settings so that DigiNotar's certificates, including those issued by other authorities, are not trusted.
Security Update 2011-005 can be downloaded from Apple Support Download page or from Software Update.
DigiNotar's servers were compromised several weeks ago, with hackers obtaining access to hundreds of certificates
Security Update 2011-005 (Snow Leopard) (869 kb)
Security Update 2011-005 (Lion) (15.59mb)
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