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CVE-2018-7185

Status Candidate

Overview

The protocol engine in ntp 4.2.6 before 4.2.8p11 allows a remote attackers to cause a denial of service (disruption) by continually sending a packet with a zero-origin timestamp and source IP address of the "other side" of an interleaved association causing the victim ntpd to reset its association.

Related Files

Ubuntu Security Notice USN-3707-2
Posted Jan 23, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3707-2 - USN-3707-1 and USN-3349-1 fixed several vulnerabilities in NTP. This update provides the corresponding update for Ubuntu 12.04 ESM. Miroslav Lichvar discovered that NTP incorrectly handled certain spoofed addresses when performing rate limiting. A remote attacker could possibly use this issue to perform a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, spoof, vulnerability
systems | linux, ubuntu
advisories | CVE-2016-7426, CVE-2016-9310, CVE-2016-9311, CVE-2017-6462, CVE-2017-6463, CVE-2018-7183, CVE-2018-7185
SHA-256 | 491d58f999c7eea8810601c09831b240d9aedad6123ec22fdeec53a32edec41b
Ubuntu Security Notice USN-3707-1
Posted Jul 9, 2018
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3707-1 - Yihan Lian discovered that NTP incorrectly handled certain malformed mode 6 packets. A remote attacker could possibly use this issue to cause ntpd to crash, resulting in a denial of service. This issue only affected Ubuntu 17.10 and Ubuntu 18.04 LTS. Michael Macnair discovered that NTP incorrectly handled certain responses. A remote attacker could possibly use this issue to execute arbitrary code. Various other issues were also addressed.

tags | advisory, remote, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2018-7182, CVE-2018-7183, CVE-2018-7184, CVE-2018-7185
SHA-256 | 32ce831d1f1118924cb8bef066769217952aeaceb8886b1b83365b1d33fda1a3
Gentoo Linux Security Advisory 201805-12
Posted May 26, 2018
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201805-12 - Multiple vulnerabilities have been found in NTP, the worst of which could lead to remote code execution. Versions less than 4.2.8_p11 are affected.

tags | advisory, remote, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2018-7170, CVE-2018-7182, CVE-2018-7183, CVE-2018-7184, CVE-2018-7185
SHA-256 | 818cfb09bc153d933a492ae7af6c8d103329d790eb73e41219b8664276dd14d4
Slackware Security Advisory - ntp Updates
Posted Mar 1, 2018
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New ntp packages are available for Slackware 14.0, 14.1, 14.2, and -current to fix security issues.

tags | advisory
systems | linux, slackware
advisories | CVE-2016-1549, CVE-2018-7170, CVE-2018-7182, CVE-2018-7184, CVE-2018-7185
SHA-256 | b9a66f00cb4f7f2a7bf96288fbec7cd2617bd1b5cb1219ca1456cb9b61cb915c
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