RHEL 8 : Release of OpenShift Serverless Client kn 1.17.0 (Moderate) (RHSA-2021:3555)

high Nessus Plugin ID 194274

Synopsis

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

Description

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2021:3555 advisory.

Red Hat OpenShift Serverless Client kn 1.17.0 provides a CLI to interact with Red Hat OpenShift Serverless 1.17.0. The kn CLI is delivered as an RPM package for installation on RHEL platforms, and as binaries for non-Linux platforms.

Security Fix(es):

* serverless: incomplete fix for CVE-2021-27918 / CVE-2021-31525 / CVE-2021-33196 (CVE-2021-3703)

* golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558)
* golang: net: lookup functions may return invalid host names (CVE-2021-33195)
* golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)
* golang: match/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected openshift-serverless-clients package.

See Also

https://bugzilla.redhat.com/show_bug.cgi?id=1989564

https://bugzilla.redhat.com/show_bug.cgi?id=1989570

https://bugzilla.redhat.com/show_bug.cgi?id=1989575

https://bugzilla.redhat.com/show_bug.cgi?id=1992955

https://access.redhat.com/errata/RHSA-2021:3555

http://www.nessus.org/u?08dec1e4

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

http://www.nessus.org/u?ba8f00d4

http://www.nessus.org/u?252927e3

http://www.nessus.org/u?3f21ced6

https://bugzilla.redhat.com/show_bug.cgi?id=1983596

https://bugzilla.redhat.com/show_bug.cgi?id=1983656

Plugin Details

Severity: High

ID: 194274

File Name: redhat-RHSA-2021-3555.nasl

Version: 1.2

Type: local

Agent: unix

Published: 4/28/2024

Updated: 11/8/2024

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: Moderate

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2021-33195

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/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:openshift-serverless-clients, 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: 9/16/2021

Vulnerability Publication Date: 3/11/2021

Reference Information

CVE: CVE-2021-27918, CVE-2021-31525, CVE-2021-33195, CVE-2021-33196, CVE-2021-33197, CVE-2021-33198, CVE-2021-34558, CVE-2021-3703

CWE: 120, 20, 400, 835

RHSA: 2021:3555