Keep Track of the Latest Vulnerabilities
with SecurityTracker!
    Home    |    View Topics    |    Search    |    Contact Us    |   


Sign Up
Sign Up for Your FREE Weekly SecurityTracker E-mail Alert Summary
Instant Alerts
Buy our Premium Vulnerability Notification Service to receive customized, instant alerts
Put SecurityTracker Vulnerability Alerts on Your Web Site -- It's Free!
Become a Partner and License Our Database or Notification Service
Report a Bug
Report a vulnerability that you have found to SecurityTracker

Category:   OS (UNIX)  >   Solaris Vendors:   Oracle, Sun
(Oracle Issues Fix for Oracle Linux) Oracle Solaris ntpd Query Function Lets Remote Users Conduct Amplified Denial of Service Attacks
SecurityTracker Alert ID:  1037785
SecurityTracker URL:
CVE Reference:   CVE-2013-5211   (Links to External Site)
Date:  Feb 7 2017
Impact:   Denial of service via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): Oracle Linux 6
Description:   A vulnerability was reported in Oracle Solaris. A remote user can conduct amplified denial of service attacks.

A remote user can exploit an administrative query function in ntpd (via MODE_CONTROL [Mode 6] and MODE_PRIVATE [Mode 7] control messages) to amplify distributed denial of service (DDoS) attacks against other sites.

Additional information is available from US-CERT at:

Impact:   A remote user can cause denial of service conditions.
Solution:   Oracle has issued a fix.

The Oracle Linux advisory is available at:

Vendor URL: (Links to External Site)
Cause:   Access control error, Input validation error

Message History:   This archive entry is a follow-up to the message listed below.
Apr 23 2014 Oracle Solaris ntpd Query Function Lets Remote Users Conduct Amplified Denial of Service Attacks

 Source Message Contents

Date:  Mon, 6 Feb 2017 16:58:07 -0800
Subject:  [El-errata] ELSA-2017-0252 Moderate: Oracle Linux 6 ntp security update

Oracle Linux Security Advisory ELSA-2017-0252

The following updated rpms for Oracle Linux 6 have been uploaded to the 
Unbreakable Linux Network:




Description of changes:

- add disable monitor to default ntp.conf [CVE-2013-5211]

- don't limit rate of packets from sources (CVE-2016-7426)
- don't change interface from received packets (CVE-2016-7429)
- fix calculation of root distance again (CVE-2016-7433)
- require authentication for trap commands (CVE-2016-9310)
- fix crash when reporting peer event to trappers (CVE-2016-9311)

El-errata mailing list

Go to the Top of This SecurityTracker Archive Page

Home   |    View Topics   |    Search   |    Contact Us

Copyright 2017, LLC