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Scientific Linux Security Update : firefox on SL7.x i686/x86_64 (2021:0656)

high Nessus Plugin ID 148973

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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 multiple vulnerabilities as referenced in the SLSA-2021:0656-1 advisory.

 - Mozilla: Content Security Policy violation report could have contained the destination of a redirect (CVE-2021-23968, CVE-2021-23969)

 - Mozilla: Memory safety bugs fixed in Firefox 86 and Firefox ESR 78.8 (CVE-2021-23978)

 - Mozilla: MediaError message property could have leaked information about cross-origin resources (CVE-2021-23973)

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 firefox and / or firefox-debuginfo packages.

See Also

https://www.scientificlinux.org/category/sl-errata/slsa-20210656-1

Plugin Details

Severity: High

ID: 148973

File Name: sl_20210224_firefox_on_SL7_x.nasl

Version: 1.2

Type: local

Agent: unix

Published: 4/23/2021

Updated: 4/23/2021

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2021-23978

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

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

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

Vulnerability Information

CPE: cpe:/o:fermilab:scientific_linux, p-cpe:/a:fermilab:scientific_linux:firefox, p-cpe:/a:fermilab:scientific_linux:firefox-debuginfo

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

Exploit Ease: No known exploits are available

Patch Publication Date: 2/24/2021

Vulnerability Publication Date: 2/23/2021

Reference Information

CVE: CVE-2021-23968, CVE-2021-23969, CVE-2021-23973, CVE-2021-23978