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Debian DLA-2235-1 : dbus security update

medium Nessus Plugin ID 137205

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Synopsis

The remote Debian host is missing a security update.

Description

It was discovered that there was a file descriptor leak in the D-Bus message bus.

An unprivileged local attacker could use this to attack the system DBus daemon, leading to denial of service for all users of the machine.

For Debian 8 'Jessie', this issue has been fixed in dbus version 1.8.22-0+deb8u3.

We recommend that you upgrade your dbus packages.

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected packages.

See Also

https://lists.debian.org/debian-lts-announce/2020/06/msg00003.html

https://packages.debian.org/source/jessie/dbus

Plugin Details

Severity: Medium

ID: 137205

File Name: debian_DLA-2235.nasl

Version: 1.6

Type: local

Agent: unix

Published: 6/8/2020

Updated: 3/7/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous 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:debian:debian_linux:dbus-1-doc, p-cpe:/a:debian:debian_linux:dbus-1-dbg, p-cpe:/a:debian:debian_linux:libdbus-1-dev, p-cpe:/a:debian:debian_linux:libdbus-1-3, p-cpe:/a:debian:debian_linux:libdbus-1-3-udeb, cpe:/o:debian:debian_linux:8.0, p-cpe:/a:debian:debian_linux:dbus, p-cpe:/a:debian:debian_linux:dbus-x11, p-cpe:/a:debian:debian_linux:dbus-udeb

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/5/2020

Vulnerability Publication Date: 6/8/2020

Reference Information

CVE: CVE-2020-12049