About the security content of OS X Server v4.1

Learn about the security content of OS X Server v4.1.

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