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RHEL 7 : containernetworking-plugins (RHSA-2020:2684)

medium Nessus Plugin ID 137752

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Synopsis

The remote Red Hat host is missing a security update for containernetworking-plugins.

Description

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2684 advisory.

 The Container Network Interface (CNI) project consists of a specification and libraries for writing plug- ins for configuring network interfaces in Linux containers, along with a number of supported plug-ins. CNI concerns itself only with network connectivity of containers and removing allocated resources when the container is deleted.

 Security Fix(es):

 * containernetworking/plugins: IPv6 router advertisements allow for MitM attacks on IPv4 clusters (CVE-2020-10749)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

Solution

Update the RHEL containernetworking-plugins package based on the guidance in RHSA-2020:2684.

See Also

http://www.nessus.org/u?f17f6747

https://access.redhat.com/security/updates/classification/#moderate

https://access.redhat.com/errata/RHSA-2020:2684

https://bugzilla.redhat.com/show_bug.cgi?id=1833220

Plugin Details

Severity: Medium

ID: 137752

File Name: redhat-RHSA-2020-2684.nasl

Version: 1.11

Type: local

Agent: unix

Published: 6/23/2020

Updated: 11/7/2024

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: Medium

Base Score: 6

Temporal Score: 4.7

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

CVSS Score Source: CVE-2020-10749

CVSS v3

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.4

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:P/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:containernetworking-plugins, cpe:/o:redhat:enterprise_linux:7

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/23/2020

Vulnerability Publication Date: 6/3/2020

Reference Information

CVE: CVE-2020-10749

CWE: 300

RHSA: 2020:2684