RHEL 7 / 8 : OpenShift Container Platform 4.8.4 bug fix and (RHSA-2021:2984)

high Nessus Plugin ID 152440

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-2021:2984 advisory.

- golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header (CVE-2021-31525)

- golang: net: lookup functions may return invalid host names (CVE-2021-33195)

- golang: archive/zip: malformed archive may cause panic or memory exhaustion (CVE-2021-33196)

- golang: net/http/httputil: ReverseProxy forwards connection headers if first one is empty (CVE-2021-33197)

- golang: math/big.Rat: may cause a panic or an unrecoverable fatal error if passed inputs with very large exponents (CVE-2021-33198)

- golang: crypto/tls: certificate of wrong type is causing TLS client to panic (CVE-2021-34558)

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 packages.

See Also

https://access.redhat.com/security/cve/CVE-2021-31525

https://access.redhat.com/security/cve/CVE-2021-33195

https://access.redhat.com/security/cve/CVE-2021-33196

https://access.redhat.com/security/cve/CVE-2021-33197

https://access.redhat.com/security/cve/CVE-2021-33198

https://access.redhat.com/security/cve/CVE-2021-34558

https://access.redhat.com/errata/RHSA-2021:2984

https://bugzilla.redhat.com/1958341

https://bugzilla.redhat.com/1965503

https://bugzilla.redhat.com/1983596

https://bugzilla.redhat.com/1989564

https://bugzilla.redhat.com/1989570

https://bugzilla.redhat.com/1989575

Plugin Details

Severity: High

ID: 152440

File Name: redhat-RHSA-2021-2984.nasl

Version: 1.12

Type: local

Agent: unix

Published: 8/10/2021

Updated: 12/4/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

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: cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:cri-o, p-cpe:/a:redhat:enterprise_linux:ignition, p-cpe:/a:redhat:enterprise_linux:ignition-validate, p-cpe:/a:redhat:enterprise_linux:openshift-clients, p-cpe:/a:redhat:enterprise_linux:openshift-clients-redistributable, p-cpe:/a:redhat:enterprise_linux:openshift-hyperkube

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: 8/10/2021

Vulnerability Publication Date: 5/27/2021

Reference Information

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

CWE: 120, 20, 400

IAVB: 2021-B-0047-S

RHSA: 2021:2984