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RHEL 7 : dbus (RHSA-2020:2894)

medium Nessus Plugin ID 138386

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Synopsis

The remote Red Hat host is missing a security update for dbus.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2020:2894 advisory.

 D-Bus is a system for sending messages between applications. It is used both for the system-wide message bus service, and as a per-user-login-session messaging facility.

 Security Fix(es):

 * dbus: denial of service via file descriptor leak (CVE-2020-12049)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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 RHEL dbus package based on the guidance in RHSA-2020:2894.

See Also

http://www.nessus.org/u?b2a6f929

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2020:2894

https://bugzilla.redhat.com/show_bug.cgi?id=1849041

Plugin Details

Severity: Medium

ID: 138386

File Name: redhat-RHSA-2020-2894.nasl

Version: 1.10

Type: local

Agent: unix

Published: 7/13/2020

Updated: 6/4/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.9

Temporal Score: 3.8

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

CVSS Score Source: CVE-2020-12049

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 5

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:dbus-devel, p-cpe:/a:redhat:enterprise_linux:dbus-tests, p-cpe:/a:redhat:enterprise_linux:dbus-doc, cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:dbus-libs, p-cpe:/a:redhat:enterprise_linux:dbus, p-cpe:/a:redhat:enterprise_linux:dbus-x11

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/13/2020

Vulnerability Publication Date: 6/8/2020

Reference Information

CVE: CVE-2020-12049

CWE: 400

RHSA: 2020:2894