GLSA-201909-08 : D-Bus: Authentication bypass

Low Nessus Plugin ID 128597

Synopsis

The remote Gentoo host is missing one or more security-related patches.

Description

The remote host is affected by the vulnerability described in GLSA-201909-08 (D-Bus: Authentication bypass)

It was discovered that a local attacker could manipulate symbolic links in their own home directory to bypass authentication and connect to a DBusServer with elevated privileges.
Impact :

A local attacker can bypass authentication mechanisms and elevate privileges.
Workaround :

There is no known workaround at this time.

Solution

All D-Bus users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=sys-apps/dbus-1.12.16'

See Also

https://security.gentoo.org/glsa/201909-08

Plugin Details

Severity: Low

ID: 128597

File Name: gentoo_GLSA-201909-08.nasl

Version: 1.1

Type: local

Published: 2019/09/09

Updated: 2019/09/09

Dependencies: 12634

Risk Information

Risk Factor: Low

CVSS v2.0

Base Score: 3.6

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

CVSS v3.0

Base Score: 7.1

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

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:dbus, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Patch Publication Date: 2019/09/08

Vulnerability Publication Date: 2019/06/11

Reference Information

CVE: CVE-2019-12749

GLSA: 201909-08