CentOS 8 : nss and nspr (CESA-2020:3280)

critical Nessus Plugin ID 145878

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-2020:3280 advisory.

- nss: Use-after-free in sftk_FreeSession due to improper refcounting (CVE-2019-11756)

- nss: Check length of inputs for cryptographic primitives (CVE-2019-17006)

- nss: TLS 1.3 HelloRetryRequest downgrade request sets client into invalid state (CVE-2019-17023)

- nss: Side channel vulnerabilities during RSA key generation (CVE-2020-12402)

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-2020:3280

Plugin Details

Severity: Critical

ID: 145878

File Name: centos8_RHSA-2020-3280.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2/1/2021

Updated: 3/23/2021

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

Risk Information

CVSS Score Source: CVE-2019-17006

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:centos:centos:8, p-cpe:/a:centos:centos:nspr, p-cpe:/a:centos:centos:nspr-devel, 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/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 8/3/2020

Vulnerability Publication Date: 12/3/2019

Reference Information

CVE: CVE-2019-11756, CVE-2019-17006, CVE-2019-17023, CVE-2020-12402

RHSA: 2020:3280