Topic

An update for firefox is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

This update upgrades Firefox to version 60.1.0 ESR.

Security Fix(es):

• Mozilla: Memory safety bugs fixed in Firefox 61, Firefox ESR 60.1, and Firefox ESR 52.9 (CVE-2018-5188)
• Mozilla: Buffer overflow using computed size of canvas element (CVE-2018-12359)
• Mozilla: Use-after-free using focus() (CVE-2018-12360)
• Mozilla: Media recorder segmentation fault when track type is changed during capture (CVE-2018-5156)
• Skia: Heap buffer overflow rasterizing paths in SVG (CVE-2018-6126)
• Mozilla: Integer overflow in SSSE3 scaler (CVE-2018-12362)
• Mozilla: Use-after-free when appending DOM nodes (CVE-2018-12363)
• Mozilla: CSRF attacks through 307 redirects and NPAPI plugins (CVE-2018-12364)
• Mozilla: address bar username and password spoofing in reader mode (CVE-2017-7762)
• Mozilla: Compromised IPC child process can list local filenames (CVE-2018-12365)
• Mozilla: Invalid data handling during QCMS transformations (CVE-2018-12366)

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, Christoph Diehl, Christian Holler, Jason Kratzer, David Major, Jon Coppeard, Nicolas B. Pierron, Marcia Knous, Ronald Crane, Nils, F. Alonso (revskills), David Black, and OSS-Fuzz as the original reporters.

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.

Affected Products

• Red Hat Enterprise Linux Server 6 x86_64
• Red Hat Enterprise Linux Server 6 i386
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support 6 i386
• Red Hat Enterprise Linux Workstation 6 x86_64
• Red Hat Enterprise Linux Workstation 6 i386
• Red Hat Enterprise Linux Desktop 6 x86_64
• Red Hat Enterprise Linux Desktop 6 i386
• Red Hat Enterprise Linux for IBM z Systems 6 s390x
• Red Hat Enterprise Linux for Power, big endian 6 ppc64
• Red Hat Enterprise Linux for Scientific Computing 6 x86_64
• Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems) 6 s390x

Fixes

• BZ - 1584035 - CVE-2018-6126 Skia: Heap buffer overflow rasterizing paths in SVG
• BZ - 1590493 - CVE-2017-7762 Mozilla: address bar username and password spoofing in reader mode
• BZ - 1595024 - CVE-2018-12359 Mozilla: Buffer overflow using computed size of canvas element
• BZ - 1595025 - CVE-2018-12360 Mozilla: Use-after-free using focus()
• BZ - 1595027 - CVE-2018-12362 Mozilla: Integer overflow in SSSE3 scaler
• BZ - 1595028 - CVE-2018-12363 Mozilla: Use-after-free when appending DOM nodes
• BZ - 1595029 - CVE-2018-12364 Mozilla: CSRF attacks through 307 redirects and NPAPI plugins
• BZ - 1595030 - CVE-2018-12365 Mozilla: Compromised IPC child process can list local filenames
• BZ - 1595031 - CVE-2018-12366 Mozilla: Invalid data handling during QCMS transformations
• BZ - 1595037 - CVE-2018-5156 Mozilla: Media recorder segmentation fault when track type is changed during capture
• BZ - 1595040 - CVE-2018-5188 Mozilla: Memory safety bugs fixed in Firefox 61, Firefox ESR 60.1, and Firefox ESR 52.9

CVEs

• CVE-2017-7762
• CVE-2018-5156
• CVE-2018-5188
• CVE-2018-6126
• CVE-2018-12359
• CVE-2018-12360
• CVE-2018-12362
• CVE-2018-12363
• CVE-2018-12364
• CVE-2018-12365
• CVE-2018-12366

References

• https://access.redhat.com/security/updates/classification/#critical
• https://www.mozilla.org/en-US/security/advisories/mfsa2018-16/