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SUSE SLES11 Security Update : kvm (SUSE-SU-2018:2615-1) (Spectre)

high Nessus Plugin ID 112287

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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-SP3-LTSS:zypper in -t patch slessp3-kvm-13767=1

SUSE Linux Enterprise Point of Sale 11-SP3:zypper in -t patch sleposp3-kvm-13767=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/

https://www.suse.com/security/cve/CVE-2018-3639/

http://www.nessus.org/u?0a09b440

Plugin Details

Severity: High

ID: 112287

File Name: suse_SU-2018-2615-1.nasl

Version: 1.7

Type: local

Agent: unix

Published: 9/5/2018

Updated: 8/12/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.3

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 5.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2018-11806

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: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:novell:suse_linux:11, p-cpe:/a:novell:suse_linux:kvm

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: 9/4/2018

Vulnerability Publication Date: 5/22/2018

Reference Information

CVE: CVE-2018-11806, CVE-2018-12617, CVE-2018-3639