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osvGoogleOSV:ALSA-2021:4381
HistoryNov 09, 2021 - 9:15 a.m.

Moderate: GNOME security, bug fix, and enhancement update

2021-11-0909:15:15
Google
osv.dev
4

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.01 Low

EPSS

Percentile

83.3%

GNOME is the default desktop environment of AlmaLinux.

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 AlmaLinux Release Notes linked from the References section.

References

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

10 High

AI Score

Confidence

High

9.3 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:N/C:C/I:C/A:C

0.01 Low

EPSS

Percentile

83.3%