CVE-2015-7974

Synopsis Moderate: ntp security and bug fix update Type/Severity Security Advisory: Moderate Topic An update for ntp is now available for Red Hat Enterprise Linux 7Red Hat Product Security has rated this update as having a security impact of Moderate A Common Vulnerability Scoring System (CVSS) base score ...

Several security issues were fixed in NTP ...

It was discovered that ntpd as a client did not correctly check the originate timestamp in received packets A remote attacker could use this flaw to send a crafted packet to an ntpd client that would effectively disable synchronization with the server, or push arbitrary offset/delay measurements to modify the time on the client (CVE-2015-8138) A ...

A flaw was found in the way NTP verified trusted keys during symmetric key authentication An authenticated client (A) could use this flaw to modify a packet sent between a server (B) and a client (C) using a key that is different from the one known to the client (A) ...

Multiple Cisco products incorporate a version of the Network Time Protocol daemon (ntpd) package Versions of this package are affected by one or more vulnerabilities that could allow an unauthenticated, remote attacker to create a denial of service (DoS) condition or modify the time being advertised by a device acting as a Network Time Protocol (N ...