ntp, ntpdate, sntp security update

CentOS Errata and Security Advisory CESA-2016:0063 Updated ntp packages that fix one security issue are now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score,...

ntp: missing check for zero originate timestamp

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...

Network Time Protocol Private Mode 'reslist' NULL Pointer Dereference Vulnerability

Summary An unauthenticated ntpdc reslist command can cause a segmentation fault in ntpd by causing a NULL pointer dereference. The following conditions must be met: 1. Mode 7 must be enabled. By default, mode 7 is disabled. 2. A large enough number of entries must exist in the restrict list to...

Network Time Protocol Private Mode 'reslist' Stack Memory Exhaustion Vulnerability

CERT VU357792 Summary An unauthenticated ntpdc reslist command can cause a segmentation fault in ntpd by exhausting the call stack. The following conditions must be met: 1. Mode 7 must be enabled. By default, mode 7 is disabled. 2. A large enough number of entries must be in the restrict lists to...

ntp: time alteration

If ntpd is always started with the -g option, which is common and against long-standing recommendation, and if at the moment ntpd is restarted an attacker can immediately respond to enough requests from enough sources trusted by the target, which is difficult and not common, there is a window of...

FreeBSD-SA-16:02.ntp

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-16:02.ntp Security Advisory The FreeBSD Project Topic: ntp panic threshold bypass vulnerability Category: contrib Module: ntp Announced: 2016-01-14 Credits:...

UBUNTU-CVE-2015-7977

ntpd in NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to cause a denial of service NULL pointer dereference via a ntpdc reslist command...

CentOS 7 : ntp (CESA-2015:2231)

Updated ntp packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common Vulnerability Scoring System CVSS base scores, which give...

ntp, ntpdate, sntp security update

CentOS Errata and Security Advisory CESA-2015:2231 Updated ntp packages that fix multiple security issues, several bugs, and add various enhancements are now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having Moderate security impact. Common...

Important: Red Hat Security Advisory: ntp security update

Updated ntp packages that fix one security issue are now available for Red Hat Enterprise Linux 6.5 and 6.6 Extended Update Support. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System CVSS base score, which gives a detailed...

Network Time Protocol Daemon Pidfile Driftfile Arbitrary File Overwrite (CVE-2015-7709)

An arbitrary file overwrite vulnerability exists in the Network Time Protocol daemon NTPD. The vulnerability is due to NTPD allowing remote clients to change the pidfile and driftfile configuration options to any arbitrary file, allowing any file on the target system to be overwritten. A remote,...

ntp security, bug fix, and enhancement update

4.2.6p5-22 - check origin timestamp before accepting KoD RATE packet CVE-2015-7704 - allow only one step larger than panic threshold with -g CVE-2015-5300 4.2.6p5-20 - validate lengths of values in extension fields CVE-2014-9297 - drop packets with spoofed source address ::1 CVE-2014-9298 - rejec...

Amazon Linux: Security Advisory (ALAS-2015-607)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

[SECURITY] [DSA 3388-1] ntp security update

------------------------------------------------------------------------- Debian Security Advisory DSA-3388-1 [email protected] https://www.debian.org/security/ Kurt Roeckx November 01, 2015 https://www.debian.org/security/faq -...

Network Time Protocol Daemon decodenetnum Assertion Failure (CVE-2015-7855)

A denial-of-service vulnerability exists in the Network Time Protocol daemon NTPD. The vulnerability is due to an assertion failure that can occur in decodenetnum when NTPD receives certain crafted packets. A remote, authenticated attacker can exploit this vulnerability by sending a crafted NTP...

Amazon Linux AMI : ntp (ALAS-2015-607)

It was discovered that ntpd as a client did not correctly check timestamps in Kiss-of-Death packets. A remote attacker could use this flaw to send a crafted Kiss-of-Death packet to an ntpd client that would increase the client's polling interval value, and effectively disable synchronization with...

NTP Incomplete Fix Denial of Service Vulnerability

NTP Network Time Protocol is a network protocol that synchronizes the clocks of two computers by exchanging packets. A security vulnerability exists in NTP versions prior to 4.2.8p4 and 4.3.x prior to 4.3.77. due to the program failing to properly check packet length. An attacker could exploit th...

DLA-335-1 ntp - security update

Bulletin has no description...

Scientific Linux Security Update : ntp on SL6.x, SL7.x i386/x86_64 (20151026)

It was discovered that ntpd as a client did not correctly check timestamps in Kiss-of-Death packets. A remote attacker could use this flaw to send a crafted Kiss-of-Death packet to an ntpd client that would increase the client's polling interval value, and effectively disable synchronization with...

Mageia: Security Advisory (MGASA-2015-0413)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...