Detections
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Scientific Linux Security Update : nss on SL7.x i686/x86_64 (2021:4904)

critical Nessus Plugin ID 155948

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Synopsis

The remote Scientific Linux host is missing one or more security updates.

Description

The remote Scientific Linux 7 host has packages installed that are affected by a vulnerability as referenced in the SLSA-2021:4904-1 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://www.scientificlinux.org/category/sl-errata/slsa-20214904-1

Plugin Details

Severity: Critical

ID: 155948

File Name: sl_20211202_nss_on_SL7_x.nasl

Version: 1.5

Type: local

Agent: unix

Published: 12/8/2021

Updated: 11/22/2023

Supported Sensors: Nessus Agent, 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:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:nss, p-cpe:/a:fermilab:scientific_linux:nss-debuginfo, p-cpe:/a:fermilab:scientific_linux:nss-devel, p-cpe:/a:fermilab:scientific_linux:nss-pkcs11-devel, p-cpe:/a:fermilab:scientific_linux:nss-sysinit, p-cpe:/a:fermilab:scientific_linux:nss-tools

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/2/2021

Vulnerability Publication Date: 12/1/2021

Reference Information

CVE: CVE-2021-43527