Detections
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CentOS 8 : nss (CESA-2021:4903)

critical Nessus Plugin ID 155839

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Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2021:4903 advisory.

 - nss: Memory corruption in decodeECorDsaSignature with DSA signatures (and RSA-PSS) (CVE-2021-43527)

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-2021:4903

Plugin Details

Severity: Critical

ID: 155839

File Name: centos8_RHSA-2021-4903.nasl

Version: 1.4

Type: local

Agent: unix

Published: 12/3/2021

Updated: 11/22/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.2

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

CVSS Score Source: CVE-2021-43527

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.1

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:nss, p-cpe:/a:centos:centos:nss-devel, p-cpe:/a:centos:centos:nss-softokn, p-cpe:/a:centos:centos:nss-softokn-devel, p-cpe:/a:centos:centos:nss-softokn-freebl, p-cpe:/a:centos:centos:nss-softokn-freebl-devel, p-cpe:/a:centos:centos:nss-sysinit, p-cpe:/a:centos:centos:nss-tools, p-cpe:/a:centos:centos:nss-util, p-cpe:/a:centos:centos:nss-util-devel

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: 12/1/2021

Vulnerability Publication Date: 12/1/2021

Reference Information

CVE: CVE-2021-43527

RHSA: 2021:4903