RHEL 8 : Red Hat OpenShift Service Mesh servicemesh-cni (RHSA-2020:2799)

high Nessus Plugin ID 138027

Synopsis

The remote Red Hat host is missing a security update for Red Hat OpenShift Service Mesh servicemesh-cni.

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2020:2799 advisory.

Red Hat OpenShift Service Mesh is Red Hat's distribution of the Istio service mesh project, tailored for installation into an on-premise OpenShift Container Platform installation.

Security Fix(es):

* kubernetes: YAML parsing vulnerable to Billion Laughs attack, allowing for remote denial of service (CVE-2019-11253)

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 Red Hat OpenShift Service Mesh servicemesh-cni package based on the guidance in RHSA-2020:2799.

See Also

http://www.nessus.org/u?e2ec9032

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

https://access.redhat.com/errata/RHSA-2020:2799

https://bugzilla.redhat.com/show_bug.cgi?id=1757701

Plugin Details

Severity: High

ID: 138027

File Name: redhat-RHSA-2020-2799.nasl

Version: 1.11

Type: local

Agent: unix

Published: 7/1/2020

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2019-11253

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/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:redhat:enterprise_linux:servicemesh-cni, cpe:/o:redhat:enterprise_linux:8

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: 7/1/2020

Vulnerability Publication Date: 10/16/2019

Reference Information

CVE: CVE-2019-11253

CWE: 400

RHSA: 2020:2799