RHSA-2019:2427 - Security Advisory

Topic

An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary.

Red Hat Product Security has rated this update as having a security impact of Important. 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

Chromium is an open-source web browser, powered by WebKit (Blink).

This update upgrades Chromium to version 76.0.3809.87.

Security Fix(es):

• chromium-browser: Use-after-free in offline page fetcher (CVE-2019-5850)
• chromium-browser: Use-after-poison in offline audio context (CVE-2019-5851)
• chromium-browser: Memory corruption in regexp length check (CVE-2019-5853)
• chromium-browser: res: URIs can load alternative browsers (CVE-2019-5859)
• chromium-browser: Use-after-free in PDFium (CVE-2019-5860)
• chromium-browser: Integer overflow in PDFium (CVE-2019-5855)
• chromium-browser: Insufficient checks on filesystem: URI permissions (CVE-2019-5856)
• chromium-browser: Site isolation bypass from compromised renderer (CVE-2019-5865)
• chromium-browser: Object leak of utility functions (CVE-2019-5852)
• chromium-browser: Integer overflow in PDFium text rendering (CVE-2019-5854)
• chromium-browser: Comparison of -0 and null yields crash (CVE-2019-5857)
• chromium-browser: Insufficient filtering of Open URL service parameters (CVE-2019-5858)
• chromium-browser: Click location incorrectly checked (CVE-2019-5861)
• chromium-browser: AppCache not robust to compromised renderers (CVE-2019-5862)
• chromium-browser: Insufficient port filtering in CORS for extensions (CVE-2019-5864)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

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, Chromium 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 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 Scientific Computing 6 x86_64

Fixes

• BZ - 1735496 - CVE-2019-5852 chromium-browser: Object leak of utility functions
• BZ - 1737721 - CVE-2019-5850 chromium-browser: Use-after-free in offline page fetcher
• BZ - 1737722 - CVE-2019-5860 chromium-browser: Use-after-free in PDFium
• BZ - 1737723 - CVE-2019-5853 chromium-browser: Memory corruption in regexp length check
• BZ - 1737724 - CVE-2019-5851 chromium-browser: Use-after-poison in offline audio context
• BZ - 1737725 - CVE-2019-5859 chromium-browser: res: URIs can load alternative browsers
• BZ - 1737727 - CVE-2019-5856 chromium-browser: Insufficient checks on filesystem: URI permissions
• BZ - 1737729 - CVE-2019-5855 chromium-browser: Integer overflow in PDFium
• BZ - 1737730 - CVE-2019-5865 chromium-browser: Site isolation bypass from compromised renderer
• BZ - 1737731 - CVE-2019-5858 chromium-browser: Insufficient filtering of Open URL service parameters
• BZ - 1737732 - CVE-2019-5864 chromium-browser: Insufficient port filtering in CORS for extensions
• BZ - 1737733 - CVE-2019-5862 chromium-browser: AppCache not robust to compromised renderers
• BZ - 1737734 - CVE-2019-5861 chromium-browser: Click location incorrectly checked
• BZ - 1737735 - CVE-2019-5857 chromium-browser: Comparison of -0 and null yields crash
• BZ - 1737736 - CVE-2019-5854 chromium-browser: Integer overflow in PDFium text rendering

CVEs

• CVE-2019-5850
• CVE-2019-5851
• CVE-2019-5852
• CVE-2019-5853
• CVE-2019-5854
• CVE-2019-5855
• CVE-2019-5856
• CVE-2019-5857
• CVE-2019-5858
• CVE-2019-5859
• CVE-2019-5860
• CVE-2019-5861
• CVE-2019-5862
• CVE-2019-5864
• CVE-2019-5865

References

• https://access.redhat.com/security/updates/classification/#important