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SUSE SLES12 Security Update : openvswitch (SUSE-SU-2018:4128-1)
high Nessus Plugin ID 119720
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Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for openvswitch to version 2.7.6 fixes the following issues :These security issues were fixed :
CVE-2018-17205: Prevent OVS crash when reverting old flows in bundle commit (bsc#1104467).
CVE-2018-17206: Avoid buffer overread in BUNDLE action decoding (bsc#1104467).
CVE-2018-17204: When decoding a group mod, it validated the group type and command after the whole group mod has been decoded. The OF1.5 decoder, however, tried to use the type and command earlier, when it might still be invalid. This caused an assertion failure (via OVS_NOT_REACHED) (bsc#1104467).
The update package also includes non-security fixes. See advisory for details.
Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.
Solution
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or 'zypper patch'.Alternatively you can run the command listed for your product :
SUSE Linux Enterprise Server 12-SP3:zypper in -t patch SUSE-SLE-SERVER-12-SP3-2018-2942=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1104467
https://www.suse.com/security/cve/CVE-2018-17204/
https://www.suse.com/security/cve/CVE-2018-17205/
Plugin Details
Severity: High
ID: 119720
File Name: suse_SU-2018-4128-1.nasl
Version: 1.4
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 12/17/2018
Updated: 3/27/2020
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: Medium
Base Score: 5
Temporal Score: 3.7
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:openvswitch, p-cpe:/a:novell:suse_linux:openvswitch-debuginfo, p-cpe:/a:novell:suse_linux:openvswitch-debugsource, cpe:/o:novell:suse_linux:12
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 12/14/2018
Vulnerability Publication Date: 9/19/2018