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RedHat RHSA-2018-1099-01 Critical: Firefox Code Execution Risk

red hat
Calendar Grey April 10, 2018
Dist Redhat Esm H88
Important patch for Firefox on Red Hat Enterprise Linux aimed at resolving possible code execution vulnerabilities stemming from a use-after-free error.
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 52.7.3 ESR.
Security Fix(es):
* firefox: Use-after-free in compositor potentially allows code execution (CVE-2018-5148)
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.

Topics%20covered

Topics Covered

security advisory Red Hat code execution important firefox

References

https://access.redhat.com/security/cve/CVE-2018-5148 https://access.redhat.com/security/updates/classification#important https://www.mozilla.org/en-US/security/advisories/mfsa2018-10/

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-52.7.3-1.el7_5.src.rpm
x86_64: firefox-52.7.3-1.el7_5.x86_64.rpm firefox-debuginfo-52.7.3-1.el7_5.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-52.7.3-1.el7_5.i686.rpm firefox-debuginfo-52.7.3-1.el7_5.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-52.7.3-1.el7_5.src.rpm
ppc64: firefox-52.7.3-1.el7_5.ppc64.rpm firefox-debuginfo-52.7.3-1.el7_5.ppc64.rpm
ppc64le: firefox-52.7.3-1.el7_5.ppc64le.rpm firefox-debuginfo-52.7.3-1.el7_5.ppc64le.rpm
s390x: firefox-52.7.3-1.el7_5.s390x.rpm firefox-debuginfo-52.7.3-1.el7_5.s390x.rpm
x86_64: firefox-52.7.3-1.el7_5.x86_64.rpm firefox-debuginfo-52.7.3-1.el7_5.x86_64.rpm
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7):
Source: firefox-52.7.3-1.el7_5.src.rpm
aarch64: firefox-52.7.3-1.el7_5.aarch64.rpm firefox-debuginfo-52.7.3-1.el7_5.aarch64.rpm
ppc64le: firefox-52.7.3-1.el7_5.ppc64le.rpm firefox-debuginfo-52.7.3-1.el7_5.ppc64le.rpm
s390x: firefox-52.7.3-1.el7_5.s390x.rpm firefox-debuginfo-52.7.3-1.el7_5.s390x.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: firefox-52.7.3-1.el7_5.ppc.rpm firefox-debuginfo-52.7.3-1.el7_5.ppc.rpm
s390x: firefox-52.7.3-1.el7_5.s390.rpm firefox-debuginfo-52.7.3-1.el7_5.s390.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2018:1099-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2018:1099
Issue date: 2018-04-10

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 Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory Red Hat code execution important firefox

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) - ppc64, s390x, 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

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

Bugs Fixed

1560928 - CVE-2018-5148 firefox: Use-after-free in compositor potentially allows code execution

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