GLSA-202008-15 : Docker: Information disclosure

Medium Nessus Plugin ID 139891

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VPR Score: 4

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-202008-15 (Docker: Information disclosure)

It was found that Docker created network bridges which by default accept IPv6 router advertisements.
Impact :

An attacker who gained access to a container with CAP_NET_RAW capability may be able to to spoof router advertisements, resulting in information disclosure or denial of service.
Workaround :

There is no known workaround at this time.

Solution

All Docker users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=app-emulation/docker-19.03.12'

See Also

https://security.gentoo.org/glsa/202008-15

Plugin Details

Severity: Medium

ID: 139891

File Name: gentoo_GLSA-202008-15.nasl

Version: 1.2

Type: local

Published: 2020/08/27

Updated: 2020/09/01

Dependencies: 12634

Risk Information

Risk Factor: Medium

VPR Score: 4

CVSS v2.0

Base Score: 6

Temporal Score: 4.4

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

Temporal Vector: CVSS2#E:U/RL:OF/RC:C

CVSS v3.0

Base Score: 6

Temporal Score: 5.2

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

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

Vulnerability Information

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

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2020/08/26

Vulnerability Publication Date: 2020/06/02

Reference Information

CVE: CVE-2020-13401

GLSA: 202008-15