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Red Hat Enterprise Linux: RHSA-2020-0295-01 Critical Firefox Update

red hat
Calendar Grey January 30, 2020
Dist Redhat Esm H88
Important security patch for Firefox on Red Hat Enterprise Linux tackles various critical vulnerabilities and improves overall protection.
An update for firefox is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions

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.

Summary

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.
This update upgrades Firefox to version 68.4.1 ESR.
Security Fix(es):
* Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)
* Mozilla: Use-after-free in worker destruction (CVE-2019-17008)
* Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)
* Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)
* Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)
* Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)
* Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)
* Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)
* Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)
* Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)
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.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow critical DoS firefox memory safety

References

https://access.redhat.com/security/cve/CVE-2019-17005 https://access.redhat.com/security/cve/CVE-2019-17008 https://access.redhat.com/security/cve/CVE-2019-17010 https://access.redhat.com/security/cve/CVE-2019-17011 https://access.redhat.com/security/cve/CVE-2019-17012 https://access.redhat.com/security/cve/CVE-2019-17016 https://access.redhat.com/security/cve/CVE-2019-17017 https://access.redhat.com/security/cve/CVE-2019-17022 https://access.redhat.com/security/cve/CVE-2019-17024 https://access.redhat.com/security/cve/CVE-2019-17026 https://access.redhat.com/security/updates/classification#critical https://www.mozilla.org/en-US/security/advisories/mfsa2019-37/ https://www.mozilla.org/en-US/security/advisories/mfsa2020-02/

Package List

Red Hat Enterprise Linux AppStream E4S (v. 8.0):
Source: firefox-68.4.1-1.el8_0.src.rpm
ppc64le: firefox-68.4.1-1.el8_0.ppc64le.rpm firefox-debuginfo-68.4.1-1.el8_0.ppc64le.rpm firefox-debugsource-68.4.1-1.el8_0.ppc64le.rpm
x86_64: firefox-68.4.1-1.el8_0.x86_64.rpm firefox-debuginfo-68.4.1-1.el8_0.x86_64.rpm firefox-debugsource-68.4.1-1.el8_0.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2020:0295-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:0295
Issue date: 2020-01-30

Topic

An update for firefox is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.Red Hat Product Security has rated this update as having a security impactof Critical. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat buffer overflow critical DoS firefox memory safety

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream E4S (v. 8.0) - ppc64le, x86_64

Bugs Fixed

1779431 - CVE-2019-17008 Mozilla: Use-after-free in worker destruction

1779434 - CVE-2019-17010 Mozilla: Use-after-free when performing device orientation checks

1779435 - CVE-2019-17005 Mozilla: Buffer overflow in plain text serializer

1779436 - CVE-2019-17011 Mozilla: Use-after-free when retrieving a document in antitracking

1779437 - CVE-2019-17012 Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3

1788723 - CVE-2019-17016 Mozilla: Bypass of @namespace CSS sanitization during pasting

1788724 - CVE-2019-17017 Mozilla: Type Confusion in XPCVariant.cpp

1788726 - CVE-2019-17022 Mozilla: CSS sanitization does not escape HTML tags

1788727 - CVE-2019-17024 Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4

1789214 - CVE-2019-17026 Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement

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