For details on how to apply this update, which includes the changes
described in this advisory, refer to:
https://access.redhat.com/articles/11258
GDM must be restarted for this update to take effect. The GNOME session
must be restarted (log out, then log back in) for this update to take
effect.
GNOME is the default desktop environment of Red Hat Enterprise Linux.
The following packages have been upgraded to a later upstream version: gdm
(40.0), webkit2gtk3 (2.32.3). (BZ#1909300)
Security Fix(es):
* webkitgtk: Use-after-free in AudioSourceProviderGStreamer leading to
arbitrary code execution (CVE-2020-13558)
* LibRaw: Stack buffer overflow in LibRaw::identify_process_dng_fields() in
identify.cpp (CVE-2020-24870)
* webkitgtk: Use-after-free leading to arbitrary code execution
(CVE-2020-27918)
* webkitgtk: IFrame sandboxing policy violation (CVE-2021-1765)
* webkitgtk: Use-after-free leading to arbitrary code execution
(CVE-2021-1788)
* webkitgtk: Type confusion issue leading to arbitrary code execution
(CVE-2021-1789)
* webkitgtk: Access to restricted ports on arbitrary servers via port
redirection (CVE-2021-1799)
* webkitgtk: IFrame sandboxing policy violation (CVE-2021-1801)
* webkitgtk: Memory corruption issue leading to arbitrary code execution
(CVE-2021-1844)
* webkitgtk: Logic issue leading to arbitrary code execution
(CVE-2021-1870)
* webkitgtk: Logic issue leading to arbitrary code execution
(CVE-2021-1871)
* webkitgtk: Use-after-free in ImageLoader dispatchPendingErrorEvent
leading to information leak and possibly code execution (CVE-2021-21775)
* webkitgtk: Use-after-free in WebCore::GraphicsContext leading to
information leak and possibly code execution (CVE-2021-21779)
* webkitgtk: Use-after-free in fireEventListeners leading to arbitrary code
execution (CVE-2021-21806)
* webkitgtk: Integer overflow leading to arbitrary code execution
(CVE-2021-30663)
* webkitgtk: Memory corruption leading to arbitrary code execution
(CVE-2021-30665)
* webkitgtk: Logic issue leading to leak of sensitive user information
(CVE-2021-30682)
* webkitgtk: Logic issue leading to universal cross site scripting attack
(CVE-2021-30689)
* webkitgtk: Logic issue allowing access to restricted ports on arbitrary
servers (CVE-2021-30720)
* webkitgtk: Memory corruptions leading to arbitrary code execution
(CVE-2021-30734)
* webkitgtk: Cross-origin issue with iframe elements leading to universal
cross site scripting attack (CVE-2021-30744)
* webkitgtk: Memory corruptions leading to arbitrary code execution
(CVE-2021-30749)
* webkitgtk: Type confusion leading to arbitrary code execution
(CVE-2021-30758)
* webkitgtk: Use-after-free leading to arbitrary code execution
(CVE-2021-30795)
* webkitgtk: Insufficient checks leading to arbitrary code execution
(CVE-2021-30797)
* webkitgtk: Memory corruptions leading to arbitrary code execution
(CVE-2021-30799)
* webkitgtk: User may be unable to fully delete browsing history
(CVE-2020-29623)
* gnome-autoar: Directory traversal via directory symbolic links pointing
outside of the destination directory (CVE-2020-36241)
* gnome-autoar: Directory traversal via directory symbolic links pointing
outside of the destination directory (incomplete CVE-2020-36241 fix)
(CVE-2021-28650)
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.
Additional Changes:
For detailed information on changes in this release, see the Red Hat
Enterprise Linux 8.5 Release Notes linked from the References section.
https://access.redhat.com/security/cve/CVE-2020-13558 https://access.redhat.com/security/cve/CVE-2020-24870 https://access.redhat.com/security/cve/CVE-2020-27918 https://access.redhat.com/security/cve/CVE-2020-29623 https://access.redhat.com/security/cve/CVE-2020-36241 https://access.redhat.com/security/cve/CVE-2021-1765 https://access.redhat.com/security/cve/CVE-2021-1788 https://access.redhat.com/security/cve/CVE-2021-1789 https://access.redhat.com/security/cve/CVE-2021-1799 https://access.redhat.com/security/cve/CVE-2021-1801 https://access.redhat.com/security/cve/CVE-2021-1844 https://access.redhat.com/security/cve/CVE-2021-1870 https://access.redhat.com/security/cve/CVE-2021-1871 https://access.redhat.com/security/cve/CVE-2021-21775 https://access.redhat.com/security/cve/CVE-2021-21779 https://access.redhat.com/security/cve/CVE-2021-21806 https://access.redhat.com/security/cve/CVE-2021-28650 https://access.redhat.com/security/cve/CVE-2021-30663 https://access.redhat.com/security/cve/CVE-2021-30665 https://access.redhat.com/security/cve/CVE-2021-30682 https://access.redhat.com/security/cve/CVE-2021-30689 https://access.redhat.com/security/cve/CVE-2021-30720 https://access.redhat.com/security/cve/CVE-2021-30734 Read the Full Advisory
Red Hat Enterprise Linux AppStream (v. 8):
Source:
LibRaw-0.19.5-3.el8.src.rpm
accountsservice-0.6.55-2.el8.src.rpm
gdm-40.0-15.el8.src.rpm
gnome-autoar-0.2.3-2.el8.src.rpm
gnome-calculator-3.28.2-2.el8.src.rpm
gnome-control-center-3.28.2-28.el8.src.rpm
gnome-online-accounts-3.28.2-3.el8.src.rpm
gnome-session-3.28.1-13.el8.src.rpm
gnome-settings-daemon-3.32.0-16.el8.src.rpm
gnome-shell-3.32.2-40.el8.src.rpm
gnome-shell-extensions-3.32.1-20.el8.src.rpm
gnome-software-3.36.1-10.el8.src.rpm
gtk3-3.22.30-8.el8.src.rpm
mutter-3.32.2-60.el8.src.rpm
vino-3.22.0-11.el8.src.rpm
webkit2gtk3-2.32.3-2.el8.src.rpm
aarch64:
accountsservice-0.6.55-2.el8.aarch64.rpm
accountsservice-debuginfo-0.6.55-2.el8.aarch64.rpm
accountsservice-debugsource-0.6.55-2.el8.aarch64.rpm
accountsservice-libs-0.6.55-2.el8.aarch64.rpm
accountsservice-libs-debuginfo-0.6.55-2.el8.aarch64.rpm
gdm-40.0-15.el8.aarch64.rpm
gdm-debuginfo-40.0-15.el8.aarch64.rpm
gdm-debugsource-40.0-15.el8.aarch64.rpm
gnome-autoar-0.2.3-2.el8.aarch64.rpm
gnome-autoar-debuginfo-0.2.3-2.el8.aarch64.rpm
gnome-autoar-debugsource-0.2.3-2.el8.aarch64.rpm
gnome-calculator-3.28.2-2.el8.aarch64.rpm
gnome-calculator-debuginfo-3.28.2-2.el8.aarch64.rpm
gnome-calculator-debugsource-3.28.2-2.el8.aarch64.rpm
Read the Full Advisory
An update for GNOME is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Moderate. 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.
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, noarch, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 8) - aarch64, ppc64le, s390x, x86_64
1651378 - [RFE] Provide a mechanism for persistently showing the security level of a machine at login time
1770302 - disable show text in GDM login/lock screen (patched in RHEL 7.8)
1791478 - Cannot completely disable odrs (Gnome Ratings) from the Software application in Gnome Desktop
1813727 - Files copied from NFS4 to Desktop can't be opened
1854679 - [RFE] Disable left edge gesture
1873297 - Gnome-software coredumps when run as root in terminal
1873488 - GTK3 prints errors with overlay scrollbar disabled
1888404 - Updates page hides ongoing updates on refresh
1894613 - [RFE] Re-inclusion of workspace renaming in GNOME 3.
1897932 - JS ERROR: Error: Extension point conflict: there is already a status indicator for role ...
1904139 - Automatic Logout Feature not working
1905000 - Desktop refresh broken after unlock
1909300 - gdm isn't killing the login screen on login after all, should rebase to latest release
1914925 - RFE: add patch to set grub boot_success flag on shutdown/reboot
1924725 - [Wayland] Double-touch desktop icons fails sometimes
1925640 - CVE-2020-36241 gnome-autoar: Directory traversal via directory symbolic links pointing outside of the destination directory
1928794 - CVE-2020-24870 LibRaw: Stack buffer overflow in LibRaw::identify_process_dng_fields() in identify.cpp
1928886 - CVE-2020-13558 webkitgtk: Use-after-free in AudioSourceProviderGStreamer leading to arbitrary code execution
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