RHEL 7 / 8 : OpenShift Container Platform 4.8.2 packages and (RHSA-2021:2437)

high Nessus Plugin ID 152103
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 7 / 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:2437 advisory.

- python-eventlet: improper handling of highly compressed data and memory allocation with excessive size allows DoS (CVE-2021-21419)

- jenkins-2-plugins/matrix-auth: Incorrect permission checks in Matrix Authorization Strategy Plugin (CVE-2021-21623)

- jenkins: lack of type validation in agent related REST API (CVE-2021-21639)

- jenkins: view name validation bypass (CVE-2021-21640)

- jenkins-2-plugins/credentials: Reflected XSS vulnerability in Credentials Plugin (CVE-2021-21648)

- kubernetes: Validating Admission Webhook does not observe some previous fields (CVE-2021-25735)

- kubernetes: Holes in EndpointSlice Validation Enable Host Network Hijack (CVE-2021-25737)

- golang: crypto/elliptic: incorrect operations on the P-224 curve (CVE-2021-3114)

- gogo/protobuf: plugin/unmarshal/unmarshal.go lacks certain index validation (CVE-2021-3121)

- openshift: Injected service-ca.crt incorrectly contains additional internal CAs (CVE-2021-3636)

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 affected openshift-clients, openshift-clients-redistributable and / or openshift-hyperkube packages.

See Also

https://cwe.mitre.org/data/definitions/20.html

https://cwe.mitre.org/data/definitions/79.html

https://cwe.mitre.org/data/definitions/295.html

https://cwe.mitre.org/data/definitions/400.html

https://cwe.mitre.org/data/definitions/287.html

https://cwe.mitre.org/data/definitions/129.html

https://access.redhat.com/security/cve/CVE-2021-3114

https://access.redhat.com/security/cve/CVE-2021-3121

https://bugzilla.redhat.com/1921650

https://cwe.mitre.org/data/definitions/682.html

https://bugzilla.redhat.com/1918750

https://cwe.mitre.org/data/definitions/273.html

https://access.redhat.com/security/cve/CVE-2021-21639

https://access.redhat.com/security/cve/CVE-2021-21640

https://bugzilla.redhat.com/1947102

https://bugzilla.redhat.com/1947105

https://access.redhat.com/security/cve/CVE-2021-3636

https://access.redhat.com/security/cve/CVE-2021-21419

https://access.redhat.com/security/cve/CVE-2021-21623

https://access.redhat.com/security/cve/CVE-2021-21648

https://access.redhat.com/security/cve/CVE-2021-25735

https://access.redhat.com/security/cve/CVE-2021-25737

https://access.redhat.com/errata/RHSA-2021:2437

https://bugzilla.redhat.com/1937562

https://bugzilla.redhat.com/1940489

https://bugzilla.redhat.com/1954917

https://bugzilla.redhat.com/1958407

https://bugzilla.redhat.com/1959545

https://bugzilla.redhat.com/1978621

Plugin Details

Severity: High

ID: 152103

File Name: redhat-RHSA-2021-2437.nasl

Version: 1.3

Type: local

Agent: unix

Published: 7/27/2021

Updated: 10/7/2021

Dependencies: ssh_get_info.nasl, redhat_repos.nasl

Risk Information

CVSS Score Source: CVE-2021-3121

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

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

CVSS v3

Risk Factor: High

Base Score: 8.6

Temporal Score: 7.5

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

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

Vulnerability Information

CPE: cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*, cpe:2.3:o:redhat:enterprise_linux:8:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:openshift-clients:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:openshift-hyperkube:*:*:*:*:*:*:*, p-cpe:2.3:a:redhat:enterprise_linux:openshift-clients-redistributable:*:*:*:*:*:*:*

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/27/2021

Vulnerability Publication Date: 1/11/2021

Reference Information

CVE: CVE-2021-3121, CVE-2021-3114, CVE-2021-21623, CVE-2021-21640, CVE-2021-21639, CVE-2021-25735, CVE-2021-21419, CVE-2021-21648, CVE-2021-25737, CVE-2021-3636

CWE: 20, 79, 287, 295, 400, 129, 682, 273

RHSA: 2021:2437