Executive Summary

Summary
Title Ntp vulnerability
Informations
Name USN-867-1 First vendor Publication 2009-12-08
Vendor Ubuntu Last vendor Modification 2009-12-08
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:P/A:P)
Cvss Base Score 6.4 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects the following Ubuntu releases:

Ubuntu 6.06 LTS Ubuntu 8.04 LTS Ubuntu 8.10 Ubuntu 9.04 Ubuntu 9.10

This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu.

The problem can be corrected by upgrading your system to the following package versions:

Ubuntu 6.06 LTS:
ntp 1:4.2.0a+stable-8.1ubuntu6.3
ntp-server 1:4.2.0a+stable-8.1ubuntu6.3

Ubuntu 8.04 LTS:
ntp 1:4.2.4p4+dfsg-3ubuntu2.3

Ubuntu 8.10:
ntp 1:4.2.4p4+dfsg-6ubuntu2.4

Ubuntu 9.04:
ntp 1:4.2.4p4+dfsg-7ubuntu5.2

Ubuntu 9.10:
ntp 1:4.2.4p6+dfsg-1ubuntu5.1

In general, a standard system upgrade is sufficient to effect the necessary changes.

Details follow:

Robin Park and Dmitri Vinokurov discovered a logic error in ntpd. A remote attacker could send a crafted NTP mode 7 packet with a spoofed IP address of an affected server and cause a denial of service via CPU and disk resource consumption.

Original Source

Url : http://www.ubuntu.com/usn/USN-867-1

Alert History

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0
1
Date Informations
2016-04-27 00:32:51
  • Multiple Updates
2014-02-17 12:06:25
  • Multiple Updates