RHEL 7 : qemu-kvm (RHSA-2020:4079)

medium Nessus Plugin ID 143069
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 Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2020:4079 advisory.

- QEMU: usb: out-of-bounds r/w access issue while processing usb packets (CVE-2020-14364)

- QEMU: slirp: use-after-free in ip_reass() function in ip_input.c (CVE-2020-1983)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/125.html

https://cwe.mitre.org/data/definitions/416.html

https://cwe.mitre.org/data/definitions/787.html

https://access.redhat.com/security/cve/CVE-2020-1983

https://bugzilla.redhat.com/1829825

https://access.redhat.com/security/cve/CVE-2020-14364

https://bugzilla.redhat.com/1869201

https://access.redhat.com/errata/RHSA-2020:4079

Plugin Details

Severity: Medium

ID: 143069

File Name: redhat-RHSA-2020-4079.nasl

Version: 1.6

Type: local

Agent: unix

Published: 11/19/2020

Updated: 10/12/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2020-14364

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 4.4

Temporal Score: 3.3

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

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

CVSS v3

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.4

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

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

Vulnerability Information

CPE: cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:qemu-img:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:qemu-kvm:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:qemu-kvm-tools:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:qemu-kvm-common:*:*:*:*:*:*:*

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/30/2020

Vulnerability Publication Date: 4/22/2020

Reference Information

CVE: CVE-2020-1983, CVE-2020-14364

CWE: 125, 416, 787

RHSA: 2020:4079

IAVB: 2020-B-0063-S