Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Summary
Title firefox security update
Informations
Name RHSA-2020:0816 First vendor Publication 2020-03-16
Vendor RedHat Last vendor Modification 2020-03-16
Severity (Vendor) N/A Revision 01

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Overall CVSS Score 6.5
Base Score 6.5 Environmental Score 6.5
impact SubScore 3.6 Temporal Score 6.5
Exploitabality Sub Score 2.8
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:N/A:P)
Cvss Base Score 4.3 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Problem Description:

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

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.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64 Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64 Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64 Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64 Red Hat Enterprise Linux Server Optional (v. 6) - x86_64 Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64 Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. Description:

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 68.6.0 ESR.

Security Fix(es):

* Mozilla: Use-after-free when removing data about origins (CVE-2020-6805)

* Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion (CVE-2020-6806)

* Mozilla: Use-after-free in cubeb during stream destruction (CVE-2020-6807)

* Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6 (CVE-2020-6814)

* Mozilla: Out of bounds reads in sctp_load_addresses_from_init (CVE-2019-20503)

* Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially leading to command injection (CVE-2020-6811)

* Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission (CVE-2020-6812)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

After installing the update, Firefox must be restarted for the changes to take effect.

5. Bugs fixed (https://bugzilla.redhat.com/):

1812199 - CVE-2020-6805 Mozilla: Use-after-free when removing data about origins 1812200 - CVE-2020-6806 Mozilla: BodyStream::OnInputStreamReady was missing protections against state confusion 1812201 - CVE-2020-6807 Mozilla: Use-after-free in cubeb during stream destruction 1812202 - CVE-2020-6811 Mozilla: Devtools' 'Copy as cURL' feature did not fully escape website-controlled data, potentially leading to command injection 1812203 - CVE-2019-20503 Mozilla: Out of bounds reads in sctp_load_addresses_from_init 1812204 - CVE-2020-6812 Mozilla: The names of AirPods with personally identifiable information were exposed to websites with camera or microphone permission 1812205 - CVE-2020-6814 Mozilla: Memory safety bugs fixed in Firefox 74 and Firefox ESR 68.6

Original Source

Url : https://rhn.redhat.com/errata/RHSA-2020-0816.html

CWE : Common Weakness Enumeration

% Id Name
29 % CWE-416 Use After Free
29 % CWE-125 Out-of-bounds Read
14 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)
14 % CWE-200 Information Exposure
14 % CWE-77 Improper Sanitization of Special Elements used in a Command ('Command Injection')

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 544
Application 133
Application 417
Application 1
Os 3

Snort® IPS/IDS

Date Description
2020-07-23 Mozilla Firefox ReadableStreamCloseInternal out-of-bounds access attempt
RuleID : 54380 - Revision : 1 - Type : BROWSER-FIREFOX
2020-07-23 Mozilla Firefox ReadableStreamCloseInternal out-of-bounds access attempt
RuleID : 54379 - Revision : 1 - Type : BROWSER-FIREFOX

Alert History

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0
1
Date Informations
2020-05-23 13:03:45
  • Multiple Updates
2020-03-19 13:20:07
  • First insertion