Updated ntp package fixes security vulnerabilities

Yves Younan discovered that NTP incorrectly handled logfile and keyfile directives. In a non-default configuration, a remote authenticated attacker could possibly use this issue to cause NTP to enter a loop, resulting in a denial of service CVE-2015-7850. Yves Younan discovered that NTP incorrect...

CVE-2015-7853

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service crash via a negative input value...

UBUNTU-CVE-2015-7853

The datalen parameter in the refclock driver in NTP 4.2.x before 4.2.8p4, and 4.3.x before 4.3.77 allows remote attackers to execute arbitrary code or cause a denial of service crash via a negative input value...

Network Time Protocol Reference Clock Memory Corruption Vulnerability

Talos Vulnerability Report TALOS-2015-0064 Network Time Protocol Reference Clock Memory Corruption Vulnerability October 21, 2015 CVE Number CVE-2015-7853 Description A potential buffer overflow vulnerability exists in the refclock of ntpd. An invalid length provided by a hardware reference clock...