Detections
Analytics

CentOS 8 : openssl (CESA-2021:4424)

high Nessus Plugin ID 155124

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Synopsis

The remote CentOS host is missing one or more security updates.

Description

The remote CentOS Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CESA-2021:4424 advisory.

 - openssl: integer overflow in CipherUpdate (CVE-2021-23840)

 - openssl: NULL pointer dereference in X509_issuer_and_serial_hash() (CVE-2021-23841)

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 packages.

See Also

https://access.redhat.com/errata/RHSA-2021:4424

Plugin Details

Severity: High

ID: 155124

File Name: centos8_RHSA-2021-4424.nasl

Version: 1.5

Type: local

Agent: unix

Published: 11/11/2021

Updated: 11/24/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-23840

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 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:F/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:openssl, p-cpe:/a:centos:centos:openssl-perl, p-cpe:/a:centos:centos:openssl-devel, p-cpe:/a:centos:centos:openssl-libs

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/9/2021

Vulnerability Publication Date: 2/16/2021

Reference Information

CVE: CVE-2021-23840, CVE-2021-23841

IAVA: 2021-A-0103-S, 2021-A-0193-S, 2021-A-0195

RHSA: 2021:4424