Executive Summary

Summary
Title OpenStack Neutron vulnerability
Informations
Name USN-4036-1 First vendor Publication 2019-06-25
Vendor Ubuntu Last vendor Modification 2019-06-25
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:S/C:N/I:N/A:P)
Cvss Base Score 4 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 8 Authentication Requires single instance
Calculate full CVSS 2.0 Vectors scores

Detail

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.10 - Ubuntu 16.04 LTS

Summary:

A system hardening measure could be bypassed.

Software Description: - neutron: OpenStack Virtual Network Service

Details:

Erik Olof Gunnar Andersson discovered that OpenStack Neutron incorrectly handled certain security group rules in the iptables firewall module. An authenticated attacker could possibly use this issue to block further application of security group rules for other instances.

Update instructions:

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

Ubuntu 18.10:
python-neutron 2:13.0.2-0ubuntu3.4
python3-neutron 2:13.0.2-0ubuntu3.4

Ubuntu 16.04 LTS:
python-neutron 2:8.4.0-0ubuntu7.4

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4036-1
CVE-2019-9735

Package Information:
https://launchpad.net/ubuntu/+source/neutron/2:13.0.2-0ubuntu3.4
https://launchpad.net/ubuntu/+source/neutron/2:8.4.0-0ubuntu7.4

Original Source

Url : http://www.ubuntu.com/usn/USN-4036-1

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-755 Improper Handling of Exceptional Conditions

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 12
Application 3
Os 1

Alert History

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0
Date Informations
2019-06-25 17:18:55
  • First insertion