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Scientific Linux Security Update : qemu-kvm on SL7.x x86_64 (20170801)

medium Nessus Plugin ID 102655

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Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

Security Fix(es) :

 - An out-of-bounds memory access issue was found in Quick Emulator (QEMU) in the VNC display driver. This flaw could occur while refreshing the VNC display surface area in the 'vnc_refresh_server_surface'. A user inside a guest could use this flaw to crash the QEMU process.
 (CVE-2017-2633)

 - An integer overflow flaw was found in Quick Emulator (QEMU) in the CCID Card device support. The flaw could occur while passing messages via command/response packets to and from the host. A privileged user inside a guest could use this flaw to crash the QEMU process.
 (CVE-2017-5898)

 - An information exposure flaw was found in Quick Emulator (QEMU) in Task Priority Register (TPR) optimizations for 32-bit Windows guests. The flaw could occur while accessing TPR. A privileged user inside a guest could use this issue to read portions of the host memory.
 (CVE-2016-4020)

Solution

Update the affected packages.

See Also

http://www.nessus.org/u?76fa9882

Plugin Details

Severity: Medium

ID: 102655

File Name: sl_20170801_qemu_kvm_on_SL7_x.nasl

Version: 3.5

Type: local

Agent: unix

Published: 8/22/2017

Updated: 1/14/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

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

Vulnerability Information

CPE: p-cpe:/a:fermilab:scientific_linux:qemu-kvm-tools, x-cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:qemu-kvm-common, p-cpe:/a:fermilab:scientific_linux:qemu-img, p-cpe:/a:fermilab:scientific_linux:qemu-kvm, p-cpe:/a:fermilab:scientific_linux:qemu-kvm-debuginfo

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RedHat/release, Host/RedHat/rpm-list

Patch Publication Date: 8/1/2017

Vulnerability Publication Date: 5/25/2016

Reference Information

CVE: CVE-2016-4020, CVE-2017-2633, CVE-2017-5898