SUSE SLES11 Security Update : kvm (SUSE-SU-2018:2650-1) (Spectre)
high Nessus Plugin ID 117386
New! Plugin Severity Now Using CVSS v3
The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Synopsis
The remote SUSE host is missing one or more security updates.Description
This update for kvm fixes the following security issues :CVE-2018-12617: qmp_guest_file_read had an integer overflow that could have been exploited by sending a crafted QMP command (including guest-file-read with a large count value) to the agent via the listening socket causing DoS (bsc#1098735)
CVE-2018-11806: Prevent heap-based buffer overflow via incoming fragmented datagrams (bsc#1096223)
With this release the mitigations for Spectre v4 are moved the the patches from upstream (CVE-2018-3639, bsc#1092885).
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 11-SP4:zypper in -t patch slessp4-kvm-13771=1
See Also
https://bugzilla.suse.com/show_bug.cgi?id=1092885
https://bugzilla.suse.com/show_bug.cgi?id=1096223
https://bugzilla.suse.com/show_bug.cgi?id=1098735
https://www.suse.com/security/cve/CVE-2018-11806/
https://www.suse.com/security/cve/CVE-2018-12617/
Plugin Details
Severity: High
ID: 117386
File Name: suse_SU-2018-2650-1.nasl
Version: 1.6
Type: local
Agent: unix
Family: SuSE Local Security Checks
Published: 9/10/2018
Updated: 1/19/2021
Dependencies: ssh_get_info.nasl
Risk Information
VPR
Risk Factor: High
Score: 7.3
CVSS v2
Risk Factor: High
Base Score: 7.2
Temporal Score: 5.6
Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C
Temporal Vector: E:POC/RL:OF/RC:C
CVSS v3
Risk Factor: High
Base Score: 8.2
Temporal Score: 7.4
Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Temporal Vector: E:P/RL:O/RC:C
Vulnerability Information
CPE: p-cpe:/a:novell:suse_linux:kvm, cpe:/o:novell:suse_linux:11
Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list
Exploit Available: true
Exploit Ease: Exploits are available
Patch Publication Date: 9/7/2018
Vulnerability Publication Date: 5/22/2018