Apple OS X users…a very important security fix has been issued for NTP.
This update is very important to prevent remote code execution.
OS X NTP Security Update
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ntpd
Available for: OS X Mountain Lion v10.8.5, OS X Mavericks v10.9.5, OS X Yosemite v10.10.1
Impact: A remote attacker may be able to execute arbitrary code
Description: Several issues existed in ntpd that would have allowed an attacker to trigger buffer overflows. These issues were addressed through improved error checking.
To verify the ntpd version, type the following command in Terminal: what /usr/sbin/ntpd. This update includes the following versions:
- Mountain Lion: ntp-77.1.1
- Mavericks: ntp-88.1.1
- Yosemite: ntp-92.5.1
To access and install the update, choose Software Update from the Apple menu and click the Update button next to the latest Security Update entry. No restart is required.
Source:
http://www.macworld.com/article/2861589/apple-issues-ntp-security-update-for-os-x.html?utm_content=buffer46569&utm_medium=social&utm_source=twitter.com&utm_campaign=buffer