FreeBSD : dbus file descriptor leak (27616957-b084-11ea-937b-b42e99a1b9c3)

medium Nessus Plugin ID 138124

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Synopsis

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

Description

GitHub Security Lab reports :

D-Bus has a file descriptor leak, which can lead to denial of service when the dbus-daemon runs out of file descriptors. An unprivileged local attacker can use this to attack the system dbus-daemon, leading to denial of service for all users of the machine.

Solution

Update the affected package.

See Also

https://gitlab.freedesktop.org/dbus/dbus/-/issues/294

https://www.openwall.com/lists/oss-security/2020/06/04/3

http://www.nessus.org/u?2e7b7557

Plugin Details

Severity: Medium

ID: 138124

File Name: freebsd_pkg_27616957b08411ea937bb42e99a1b9c3.nasl

Version: 1.3

Type: local

Published: 7/6/2020

Updated: 3/4/2024

Supported Sensors: 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:freebsd:freebsd:dbus, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 7/3/2020

Vulnerability Publication Date: 4/9/2020

Reference Information

CVE: CVE-2020-12049