RHEL 7 : Virtualization (RHSA-2018:1104)

High Nessus Plugin ID 109070

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for qemu-kvm-rhev is now available for Red Hat Virtualization 4 for Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. 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.

KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on a variety of architectures. The qemu-kvm-rhev packages provide the user-space component for running virtual machines that use KVM in environments managed by Red Hat products.

The following packages have been upgraded to a later upstream version:
qemu-kvm-rhev (2.10.0). (BZ#1470749)

Security Fix(es) :

* Qemu: stack-based buffer overflow in NBD server triggered via long export name (CVE-2017-15118)

* Qemu: DoS via large option request (CVE-2017-15119)

* Qemu: vga: OOB read access during display update (CVE-2017-13672)

* Qemu: vga: reachable assert failure during display update (CVE-2017-13673)

* Qemu: Slirp: use-after-free when sending response (CVE-2017-13711)

* Qemu: memory exhaustion through framebuffer update request message in VNC server (CVE-2017-15124)

* Qemu: I/O: potential memory exhaustion via websock connection to VNC (CVE-2017-15268)

* Qemu: Out-of-bounds read in vga_draw_text routine (CVE-2018-5683)

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.

Red Hat would like to thank David Buchanan for reporting CVE-2017-13672 and CVE-2017-13673; Wjjzhang (Tencent.com) for reporting CVE-2017-13711; and Jiang Xin and Lin ZheCheng for reporting CVE-2018-5683. The CVE-2017-15118 and CVE-2017-15119 issues were discovered by Eric Blake (Red Hat) and the CVE-2017-15124 issue was discovered by Daniel Berrange (Red Hat).

Solution

Update the affected packages.

See Also

https://access.redhat.com/errata/RHSA-2018:1104

https://access.redhat.com/security/cve/cve-2017-13672

https://access.redhat.com/security/cve/cve-2017-13673

https://access.redhat.com/security/cve/cve-2017-13711

https://access.redhat.com/security/cve/cve-2017-15118

https://access.redhat.com/security/cve/cve-2017-15119

https://access.redhat.com/security/cve/cve-2017-15124

https://access.redhat.com/security/cve/cve-2017-15268

https://access.redhat.com/security/cve/cve-2018-5683

Plugin Details

Severity: High

ID: 109070

File Name: redhat-RHSA-2018-1104.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/04/17

Updated: 2019/04/05

Dependencies: 12634

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.8

Temporal Score: 6.1

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

Temporal Vector: CVSS2#E:POC/RL:OF/RC:C

CVSS v3.0

Base Score: 9.8

Temporal Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:qemu-img-rhev, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-common-rhev, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-rhev, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-rhev-debuginfo, p-cpe:/a:redhat:enterprise_linux:qemu-kvm-tools-rhev, cpe:/o:redhat:enterprise_linux:7

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2018/04/10

Reference Information

CVE: CVE-2017-13672, CVE-2017-13673, CVE-2017-13711, CVE-2017-15118, CVE-2017-15119, CVE-2017-15124, CVE-2017-15268, CVE-2018-5683

RHSA: 2018:1104