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Red Hat Enterprise Linux 7 RHSA-2017:0558-01 Critical: Firefox Web Issue

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Calendar Grey March 17, 2017
Scroller Redhat
Important security patch released for Firefox on Red Hat Enterprise Linux to fix a vulnerability related to web content processing.
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.
Security Fix(es):
* A flaw was found in the processing of malformed web content. A web page containing malicious content could cause Firefox to crash or, potentially, execute arbitrary code with the privileges of the user running Firefox. (CVE-2017-5428)
Red Hat would like to thank the Mozilla project for reporting this issue. Upstream acknowledges Chaitin Security Research Lab via Trend Micro's Zero Day Initiative as the original reporters.

Topics%20covered

Topics Covered

security advisory critical Red Hat Enterprise Linux firefox web content flaw

References

https://access.redhat.com/security/cve/CVE-2017-5428 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/advisories/mfsa2017-08/

Package List

Red Hat Enterprise Linux Client (v. 7):
Source: firefox-52.0-5.el7_3.src.rpm
x86_64: firefox-52.0-5.el7_3.x86_64.rpm firefox-debuginfo-52.0-5.el7_3.x86_64.rpm
Red Hat Enterprise Linux Client Optional (v. 7):
x86_64: firefox-52.0-5.el7_3.i686.rpm firefox-debuginfo-52.0-5.el7_3.i686.rpm
Red Hat Enterprise Linux Server (v. 7):
Source: firefox-52.0-5.el7_3.src.rpm
aarch64: firefox-52.0-5.el7_3.aarch64.rpm firefox-debuginfo-52.0-5.el7_3.aarch64.rpm
ppc64: firefox-52.0-5.el7_3.ppc64.rpm firefox-debuginfo-52.0-5.el7_3.ppc64.rpm
ppc64le: firefox-52.0-5.el7_3.ppc64le.rpm firefox-debuginfo-52.0-5.el7_3.ppc64le.rpm
s390x: firefox-52.0-5.el7_3.s390x.rpm firefox-debuginfo-52.0-5.el7_3.s390x.rpm
x86_64: firefox-52.0-5.el7_3.x86_64.rpm firefox-debuginfo-52.0-5.el7_3.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 7):
ppc64: firefox-52.0-5.el7_3.ppc.rpm firefox-debuginfo-52.0-5.el7_3.ppc.rpm
s390x: firefox-52.0-5.el7_3.s390.rpm firefox-debuginfo-52.0-5.el7_3.s390.rpm
x86_64: firefox-52.0-5.el7_3.i686.rpm firefox-debuginfo-52.0-5.el7_3.i686.rpm
Red Hat Enterprise Linux Workstation (v. 7):
Source: firefox-52.0-5.el7_3.src.rpm
x86_64: firefox-52.0-5.el7_3.x86_64.rpm firefox-debuginfo-52.0-5.el7_3.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 7):
x86_64:

Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2017:0558-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2017:0558.html
Issue date: 2017-03-17

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 critical Red Hat Enterprise Linux firefox web content flaw

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) - aarch64, 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

Bugs Fixed

1433202 - CVE-2017-5428 Mozilla: integer overflow in createImageBitmap() (MFSA 2017-08)

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