Executive Summary

Summary
Title openvswitch security and bug fix update
Informations
Name RHSA-2019:0053 First vendor Publication 2019-01-16
Vendor RedHat Last vendor Modification 2019-01-16
Severity (Vendor) N/A Revision 01

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:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

An update for openvswitch is now available for Red Hat OpenStack Platform 10.0 (Newton).

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

2. Relevant releases/architectures:

OpenStack 10.0 Tools for RHEL 7 - noarch Red Hat OpenStack Platform 10.0 - ppc64le, x86_64

3. Description:

Open vSwitch provides standard network bridging functions and support for the OpenFlow protocol for remote per-flow control of traffic.

Security Fix(es):

* openvswitch: Mishandle of group mods in lib/ofp-util.c:parse_group_prop_ntr_selection_method() allows for assertion failure (CVE-2018-17204)

* openvswitch: Error during bundle commit in ofproto/ofproto.c:ofproto_rule_insert__() allows for crash (CVE-2018-17205)

* openvswitch: Buffer over-read in lib/ofp-actions.c:decode_bundle() (CVE-2018-17206)

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1632522 - CVE-2018-17204 openvswitch: Mishandle of group mods in lib/ofp-util.c:parse_group_prop_ntr_selection_method() allows for assertion failure 1632525 - CVE-2018-17205 openvswitch: Error during bundle commit in ofproto/ofproto.c:ofproto_rule_insert__() allows for crash 1632528 - CVE-2018-17206 openvswitch: Buffer over-read in lib/ofp-actions.c:decode_bundle() 1644383 - Issues with LACP failover - frames dropped in OVS DPDK 2.9 with OSP 10 1651454 - openvswitch package release request including the fix of RHBZ#1526306 for RHOSP10

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2019-0053.html

CWE : Common Weakness Enumeration

% Id Name
67 % CWE-617 Reachable Assertion
33 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 10
Application 2
Os 2
Os 1

Alert History

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0
1
Date Informations
2019-01-29 17:21:26
  • Multiple Updates
2019-01-17 21:18:44
  • First insertion