RHEL 6 / 7 : firefox (RHSA-2017:3382)

high Nessus Plugin ID 105018

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

An update for firefox is now available for Red Hat Enterprise Linux 6 and Red Hat Enterprise Linux 7.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Mozilla Firefox is an open source web browser.

This update upgrades Firefox to version 52.5.1 ESR.

Security Fix(es) :

* A privacy flaw was discovered in Firefox. In Private Browsing mode, a web worker could write persistent data to IndexedDB, which was not cleared when exiting and would persist across multiple sessions. A malicious website could exploit the flaw to bypass private-browsing protections and uniquely fingerprint visitors. (CVE-2017-7843)

Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Konark as the original reporter.

Solution

Update the affected firefox and / or firefox-debuginfo packages.

See Also

https://www.mozilla.org/en-US/security/advisories/mfsa2017-27/#

https://access.redhat.com/errata/RHSA-2017:3382

https://access.redhat.com/security/cve/cve-2017-7843

Plugin Details

Severity: High

ID: 105018

File Name: redhat-RHSA-2017-3382.nasl

Version: 3.10

Type: local

Agent: unix

Published: 12/5/2017

Updated: 5/29/2020

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

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

CVSS v3

Risk Factor: High

Base Score: 7.5

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:firefox, p-cpe:/a:redhat:enterprise_linux:firefox-debuginfo, cpe:/o:redhat:enterprise_linux:6, cpe:/o:redhat:enterprise_linux:7, cpe:/o:redhat:enterprise_linux:7.4, cpe:/o:redhat:enterprise_linux:7.5, cpe:/o:redhat:enterprise_linux:7.6, cpe:/o:redhat:enterprise_linux:7.7

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

Patch Publication Date: 12/4/2017

Vulnerability Publication Date: 6/11/2018

Reference Information

CVE: CVE-2017-7843

RHSA: 2017:3382