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Scientific Linux Security Update : firefox on SL6.x i686/x86_64 (2020:5257)

high Nessus Plugin ID 143371

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Synopsis

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

Description

The remote Scientific Linux 6 host has a package installed that is affected by multiple vulnerabilities as referenced in the SLSA-2020:5257-1 advisory.

 - Mozilla: Parsing mismatches could confuse and bypass security sanitizer for chrome privileged code (CVE-2020-26951)

 - Mozilla: Memory safety bugs fixed in Firefox 83 and Firefox ESR 78.5 (CVE-2020-26968)

 - Mozilla: Variable time processing of cross-origin images during drawImage calls (CVE-2020-16012)

 - Mozilla: Fullscreen could be enabled without displaying the security UI (CVE-2020-26953)

 - Mozilla: XSS through paste (manual and clipboard API) (CVE-2020-26956)

 - Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions (CVE-2020-26958)

 - Mozilla: Use-after-free in WebRequestService (CVE-2020-26959)

 - Mozilla: Potential use-after-free in uses of nsTArray (CVE-2020-26960)

 - Mozilla: DoH did not filter IPv4 mapped IP Addresses (CVE-2020-26961)

 - Mozilla: Software keyboards may have remembered typed passwords (CVE-2020-26965)

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 package.

See Also

https://www.scientificlinux.org/category/sl-errata/slsa-20205257-1

Plugin Details

Severity: High

ID: 143371

File Name: sl_20201130_firefox_on_SL6_x.nasl

Version: 1.6

Type: local

Agent: unix

Published: 12/1/2020

Updated: 2/7/2024

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: High

Base Score: 9.3

Temporal Score: 7.3

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

CVSS Score Source: CVE-2020-26968

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.9

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:P/RL:O/RC:C

Vulnerability Information

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

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 11/30/2020

Vulnerability Publication Date: 11/17/2020

Reference Information

CVE: CVE-2020-16012, CVE-2020-26951, CVE-2020-26953, CVE-2020-26956, CVE-2020-26958, CVE-2020-26959, CVE-2020-26960, CVE-2020-26961, CVE-2020-26965, CVE-2020-26968