For the protection of our customers, Apple does not disclose, discuss, or confirm security issues until a full investigation has occurred and any necessary patches or releases are available. To learn more about Apple Product Security, see the Apple Product Security website.
For information about the Apple Product Security PGP Key, see How to use the Apple Product Security PGP Key.
Where possible, CVE IDs are used to reference the vulnerabilities for further information.
To learn about other Security Updates, see Apple Security Updates.
OS X Server v4.1
Dovecot
Available for: OS X Yosemite v10.10 or later
Impact: An attacker may be able to decrypt data protected by SSL
Description: There are known attacks on the confidentiality of SSL 3.0 when a cipher suite uses a block cipher in CBC mode. An attacker could force the use of SSL 3.0, even when the server would support a better TLS version, by blocking TLS 1.0 and higher connection attempts. This issue was addressed by disabling SSL 3.0 support in Dovecot.
CVE-ID
CVE-2014-3566
Firewall
Available for: OS X Yosemite v10.10 or later
Impact: Custom firewall rules may not be enforced
Description: An incorrect path was referenced in the firewall configuration files. This issue was addressed by correcting the path to point to the correct configuration file.
CVE-ID
CVE-2015-1150 : Phil Schumm of the Research Computing Group, University of Chicago
Postfix
Available for: OS X Yosemite v10.10 or later
Impact: An attacker may be able to decrypt data protected by SSL
Description: There are known attacks on the confidentiality of SSL 3.0 when a cipher suite uses a block cipher in CBC mode. An attacker could force the use of SSL 3.0, even when the server would support a better TLS version, by blocking TLS 1.0 and higher connection attempts. This issue was addressed by disabling SSL 3.0 support in Postfix.
CVE-ID
CVE-2014-3566
Wiki Server
Available for: OS X Yosemite v10.10 or later
Impact: Access controls may not be enforced on mobile devices
Description: Access controls for the Activity and People wiki pages were not enforced on iPad clients. This issue was addressed by improving access control verification.
CVE-ID
CVE-2015-1151