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redhatRedHatRHSA-2020:4953
HistoryNov 05, 2020 - 8:26 a.m.

(RHSA-2020:4953) Important: xorg-x11-server security update

2020-11-0508:26:47
access.redhat.com
56

7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

20.3%

JSON

X.Org is an open-source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon.

Security Fix(es):

  • xorg-x11-server: Out-of-bounds access in XkbSetNames function (CVE-2020-14345)

  • xorg-x11-server: Integer underflow in the X input extension protocol (CVE-2020-14346)

  • xorg-x11-server: XkbSelectEvents integer underflow privilege escalation vulnerability (CVE-2020-14361)

  • xorg-x11-server: XRecordRegisterClients integer underflow privilege escalation vulnerability (CVE-2020-14362)

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.

OSVersionArchitecturePackageVersionFilename
RedHat6s390xxorg-x11-server-xephyr< 1.17.4-18.el6_10xorg-x11-server-Xephyr-1.17.4-18.el6_10.s390x.rpm
RedHat6ppc64xorg-x11-server-common< 1.17.4-18.el6_10xorg-x11-server-common-1.17.4-18.el6_10.ppc64.rpm
RedHat6i686xorg-x11-server-xorg< 1.17.4-18.el6_10xorg-x11-server-Xorg-1.17.4-18.el6_10.i686.rpm
RedHat6ppc64xorg-x11-server-xephyr< 1.17.4-18.el6_10xorg-x11-server-Xephyr-1.17.4-18.el6_10.ppc64.rpm
RedHat6ppc64xorg-x11-server-xnest< 1.17.4-18.el6_10xorg-x11-server-Xnest-1.17.4-18.el6_10.ppc64.rpm
RedHat6x86_64xorg-x11-server-xdmx< 1.17.4-18.el6_10xorg-x11-server-Xdmx-1.17.4-18.el6_10.x86_64.rpm
RedHat6x86_64xorg-x11-server-xvfb< 1.17.4-18.el6_10xorg-x11-server-Xvfb-1.17.4-18.el6_10.x86_64.rpm
RedHat6i686xorg-x11-server-debuginfo< 1.17.4-18.el6_10xorg-x11-server-debuginfo-1.17.4-18.el6_10.i686.rpm
RedHat6ppc64xorg-x11-server-xvfb< 1.17.4-18.el6_10xorg-x11-server-Xvfb-1.17.4-18.el6_10.ppc64.rpm
RedHat6x86_64xorg-x11-server-debuginfo< 1.17.4-18.el6_10xorg-x11-server-debuginfo-1.17.4-18.el6_10.x86_64.rpm
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7.8 High

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

4.6 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:P/I:P/A:P

0.001 Low

EPSS

Percentile

20.3%

JSON
Related for RHSA-2020:4953
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