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Red Hat 7: RHSA-2018-2692-01 Critical: Firefox Proxy Bypass Threat

red hat
Calendar Grey September 12, 2018
Dist Redhat Esm H88
Urgent advisory from Red Hat concerning Firefox addresses crucial memory stability improvements and significant proxy circumvention flaws.
An update for firefox is now available for Red Hat Enterprise Linux 7

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 60.2.0 ESR.
Security Fix(es):
* Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2 (CVE-2018-12376)
* Mozilla: Use-after-free in driver timers (CVE-2018-12377)
* Mozilla: Use-after-free in IndexedDB (CVE-2018-12378)
* Mozilla: Proxy bypass using automount and autofs (CVE-2017-16541)
* Mozilla: Out-of-bounds write with malicious MAR file (CVE-2018-12379)
For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Alex Gaynor, Boris Zbarsky, Christoph Diehl, Christian Holler, Jason Kratzer, Jed Davis, Tyson Smith, Bogdan Tara, Karl Tomlinson, Mats Palmgren, Nika Layzell, Ted Campbell, Nils, Zhanjia Song, and Holger Fuhrmannek as the original reporters.

Topics%20covered

Topics Covered

security advisory update red hat critical firefox memory safety proxy bypass

References

https://access.redhat.com/security/cve/CVE-2017-16541 https://access.redhat.com/security/cve/CVE-2018-12376 https://access.redhat.com/security/cve/CVE-2018-12377 https://access.redhat.com/security/cve/CVE-2018-12378 https://access.redhat.com/security/cve/CVE-2018-12379 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/advisories/mfsa2018-20/

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-60.2.0-1.el7_5.src.rpm
x86_64: firefox-60.2.0-1.el7_5.x86_64.rpm firefox-debuginfo-60.2.0-1.el7_5.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-60.2.0-1.el7_5.i686.rpm firefox-debuginfo-60.2.0-1.el7_5.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-60.2.0-1.el7_5.src.rpm
ppc64: firefox-60.2.0-1.el7_5.ppc64.rpm firefox-debuginfo-60.2.0-1.el7_5.ppc64.rpm
ppc64le: firefox-60.2.0-1.el7_5.ppc64le.rpm firefox-debuginfo-60.2.0-1.el7_5.ppc64le.rpm
s390x: firefox-60.2.0-1.el7_5.s390x.rpm firefox-debuginfo-60.2.0-1.el7_5.s390x.rpm
x86_64: firefox-60.2.0-1.el7_5.x86_64.rpm firefox-debuginfo-60.2.0-1.el7_5.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: firefox-60.2.0-1.el7_5.src.rpm
aarch64: firefox-60.2.0-1.el7_5.aarch64.rpm firefox-debuginfo-60.2.0-1.el7_5.aarch64.rpm
ppc64le: firefox-60.2.0-1.el7_5.ppc64le.rpm firefox-debuginfo-60.2.0-1.el7_5.ppc64le.rpm
s390x: firefox-60.2.0-1.el7_5.s390x.rpm firefox-debuginfo-60.2.0-1.el7_5.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
x86_64: firefox-60.2.0-1.el7_5.i686.rpm firefox-debuginfo-60.2.0-1.el7_5.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-60.2.0-1.el7_5.src.rpm


Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:2692-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:2692
Issue date: 2018-09-12

Topic

An update for firefox is now available for Red Hat Enterprise Linux 7.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 update red hat critical firefox memory safety proxy bypass

Relevant Releases Architectures

Red Hat Enterprise Linux Client (v. 7) - x86_64

Red Hat Enterprise Linux Client Optional (v. 7) - x86_64

Red Hat Enterprise Linux Server (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 7) - x86_64

Red Hat Enterprise Linux Workstation (v. 7) - x86_64

Red Hat Enterprise Linux Workstation Optional (v. 7) - x86_64

Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) - aarch64, ppc64le, s390x

Bugs Fixed

1510816 - CVE-2017-16541 Mozilla: Proxy bypass using automount and autofs

1625525 - CVE-2018-12376 Mozilla: Memory safety bugs fixed in Firefox 62 and Firefox ESR 60.2

1625526 - CVE-2018-12377 Mozilla: Use-after-free in driver timers1625527 - CVE-2018-12378 Mozilla: Use-after-free in IndexedDB

1625528 - CVE-2018-12379 Mozilla: Out-of-bounds write with malicious MAR file

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