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Debian DLA-3628-1 : dbus - LTS security update

medium Nessus Plugin ID 183747

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Synopsis

The remote Debian host is missing a security-related update.

Description

The remote Debian 10 host has packages installed that are affected by a vulnerability as referenced in the dla-3628 advisory.

 - D-Bus before 1.15.6 sometimes allows unprivileged users to crash dbus-daemon. If a privileged user with control over the dbus-daemon is using the org.freedesktop.DBus.Monitoring interface to monitor message bus traffic, then an unprivileged user with the ability to connect to the same dbus-daemon can cause a dbus- daemon crash under some circumstances via an unreplyable message. When done on the well-known system bus, this is a denial-of-service vulnerability. The fixed versions are 1.12.28, 1.14.8, and 1.15.6.
 (CVE-2023-34969)

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

Solution

Upgrade the dbus packages.

For Debian 10 buster, this problem has been fixed in version 1.12.28-0+deb10u1.

See Also

https://security-tracker.debian.org/tracker/source-package/dbus

https://www.debian.org/lts/security/2023/dla-3628

https://security-tracker.debian.org/tracker/CVE-2023-34969

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

Plugin Details

Severity: Medium

ID: 183747

File Name: debian_DLA-3628.nasl

Version: 1.0

Type: local

Agent: unix

Published: 10/23/2023

Updated: 10/23/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

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

CVSS Score Source: CVE-2023-34969

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/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, p-cpe:/a:debian:debian_linux:dbus-1-doc, p-cpe:/a:debian:debian_linux:dbus-tests, p-cpe:/a:debian:debian_linux:dbus-user-session, p-cpe:/a:debian:debian_linux:dbus-x11, p-cpe:/a:debian:debian_linux:libdbus-1-3, p-cpe:/a:debian:debian_linux:libdbus-1-dev, cpe:/o:debian:debian_linux:10.0

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: 10/23/2023

Vulnerability Publication Date: 6/8/2023

Reference Information

CVE: CVE-2023-34969