Rocky Linux 8 : nss and nspr (RLSA-2021:3572)

high Nessus Plugin ID 157755

Synopsis

The remote Rocky Linux host is missing a security update.

Description

The remote Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2021:3572 advisory.

- A flaw was found in the way NSS handled CCS (ChangeCipherSpec) messages in TLS 1.3. This flaw allows a remote attacker to send multiple CCS messages, causing a denial of service for servers compiled with the NSS library. The highest threat from this vulnerability is to system availability. This flaw affects NSS versions before 3.58. (CVE-2020-25648)

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://errata.rockylinux.org/RLSA-2021:3572

https://bugzilla.redhat.com/show_bug.cgi?id=1887319

https://bugzilla.redhat.com/show_bug.cgi?id=1967980

https://bugzilla.redhat.com/show_bug.cgi?id=1976250

https://bugzilla.redhat.com/show_bug.cgi?id=1976253

https://bugzilla.redhat.com/show_bug.cgi?id=1976255

https://bugzilla.redhat.com/show_bug.cgi?id=1976257

https://bugzilla.redhat.com/show_bug.cgi?id=1976258

https://bugzilla.redhat.com/show_bug.cgi?id=1977412

https://bugzilla.redhat.com/show_bug.cgi?id=1978443

https://bugzilla.redhat.com/show_bug.cgi?id=1996774

Plugin Details

Severity: High

ID: 157755

File Name: rocky_linux_RLSA-2021-3572.nasl

Version: 1.5

Type: local

Published: 2/9/2022

Updated: 11/10/2023

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

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-2020-25648

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: p-cpe:/a:rocky:linux:nss-tools-debuginfo, p-cpe:/a:rocky:linux:nss-softokn, p-cpe:/a:rocky:linux:nss-softokn-freebl, p-cpe:/a:rocky:linux:nss-util, p-cpe:/a:rocky:linux:nss-sysinit, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:nss-softokn-debuginfo, p-cpe:/a:rocky:linux:nss, p-cpe:/a:rocky:linux:nss-softokn-devel, p-cpe:/a:rocky:linux:nspr-devel, p-cpe:/a:rocky:linux:nss-sysinit-debuginfo, p-cpe:/a:rocky:linux:nss-softokn-freebl-devel, p-cpe:/a:rocky:linux:nss-util-debuginfo, p-cpe:/a:rocky:linux:nss-softokn-freebl-debuginfo, p-cpe:/a:rocky:linux:nss-debugsource, p-cpe:/a:rocky:linux:nss-tools, p-cpe:/a:rocky:linux:nspr-debugsource, p-cpe:/a:rocky:linux:nss-debuginfo, p-cpe:/a:rocky:linux:nspr-debuginfo, p-cpe:/a:rocky:linux:nspr, p-cpe:/a:rocky:linux:nss-devel, p-cpe:/a:rocky:linux:nss-util-devel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/1/2021

Vulnerability Publication Date: 10/20/2020

Reference Information

CVE: CVE-2020-25648