Explore top 10 tips to secure your open-source projects now. Read More

×
Alerts This Week
Warning Icon 1 601
Alerts This Week
Warning Icon 1 601

Red Hat Enterprise Linux: RHSA-2015:1693-01 Critical: Firefox Flaws

red hat
Calendar Grey August 27, 2015
Dist Redhat Esm H88
Important patch for Firefox on Red Hat platforms tackles severe security vulnerabilities. Update immediately to safeguard your system.
Updated firefox packages that fix two security issues are now available for Red Hat Enterprise Linux 5, 6, and 7

Solution

Before applying this update, make sure all previously released errata relevant to your system have been applied.

For details on how to apply this update, refer to:

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

Summary

Mozilla Firefox is an open source web browser. XULRunner provides the XUL Runtime environment for Mozilla Firefox.
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-2015-4497)
A flaw was found in the way Firefox handled installation of add-ons. An attacker could use this flaw to bypass the add-on installation prompt, and trick the user inso installing an add-on from a malicious source. (CVE-2015-4498)
Red Hat would like to thank the Mozilla project for reporting these issues. Upstream acknowledges Jean-Max Reymond, Ucha Gobejishvili, and Bas Venis as the original reporters of these issues.
All Firefox users should upgrade to these updated packages, which contain Firefox version 38.2.1 ESR, which corrects these issues. After installing the update, Firefox must be restarted for the changes to take effect.

Topics%20covered

Topics Covered

security advisory red hat software update security fix critical update firefox

References

https://access.redhat.com/security/cve/CVE-2015-4497 https://access.redhat.com/security/cve/CVE-2015-4498 https://access.redhat.com/security/updates/classification/#critical https://www.mozilla.org/en-US/security/known-vulnerabilities/firefox-esr/#firefoxesr38.2.1 https://access.redhat.com/articles/1590693

Package List

Red Hat Enterprise Linux Desktop (v. 5 client):
Source: firefox-38.2.1-1.el5_11.src.rpm
i386: firefox-38.2.1-1.el5_11.i386.rpm firefox-debuginfo-38.2.1-1.el5_11.i386.rpm
x86_64: firefox-38.2.1-1.el5_11.i386.rpm firefox-38.2.1-1.el5_11.x86_64.rpm firefox-debuginfo-38.2.1-1.el5_11.i386.rpm firefox-debuginfo-38.2.1-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux (v. 5 server):
Source: firefox-38.2.1-1.el5_11.src.rpm
i386: firefox-38.2.1-1.el5_11.i386.rpm firefox-debuginfo-38.2.1-1.el5_11.i386.rpm
ppc: firefox-38.2.1-1.el5_11.ppc64.rpm firefox-debuginfo-38.2.1-1.el5_11.ppc64.rpm
s390x: firefox-38.2.1-1.el5_11.s390.rpm firefox-38.2.1-1.el5_11.s390x.rpm firefox-debuginfo-38.2.1-1.el5_11.s390.rpm firefox-debuginfo-38.2.1-1.el5_11.s390x.rpm
x86_64: firefox-38.2.1-1.el5_11.i386.rpm firefox-38.2.1-1.el5_11.x86_64.rpm firefox-debuginfo-38.2.1-1.el5_11.i386.rpm firefox-debuginfo-38.2.1-1.el5_11.x86_64.rpm
Red Hat Enterprise Linux Desktop (v. 6):
Source: firefox-38.2.1-1.el6_7.src.rpm
i386: firefox-38.2.1-1.el6_7.i686.rpm firefox-debuginfo-38.2.1-1.el6_7.i686.rpm
x86_64: firefox-38.2.1-1.el6_7.x86_64.rpm firefox-debuginfo-38.2.1-1.el6_7.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
x86_64: firefox-38.2.1-1.el6_7.i686.rpm firefox-debuginfo-38.2.1-1.el6_7.i686.rpm


Read the Full Advisory


Severity
critical
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2015:1693-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2015:1693.html
Issue date: 2015-08-27

Topic

Updated firefox packages that fix two security issues are now available forRed Hat Enterprise Linux 5, 6, and 7.Red Hat Product Security has rated this update as having Critical securityimpact. Common Vulnerability Scoring System (CVSS) base scores, which givedetailed severity ratings, are available for each vulnerability from theCVE links in the References section.

Topics%20covered

Topics Covered

security advisory red hat software update security fix critical update firefox

Relevant Releases Architectures

Red Hat Enterprise Linux (v. 5 server) - i386, ppc, s390x, x86_64

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

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

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

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 (v. 7) - ppc64, ppc64le, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - ppc64, s390x, x86_64

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

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

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

Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

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

Bugs Fixed

1257276 - CVE-2015-4497 Mozilla: Use-after-free when resizing canvas element during restyling (MFSA 2015-94)

1257278 - CVE-2015-4498 Mozilla: Add-on notification bypass through data URLs (MFSA 2015-95)

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.