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centosCentOS ProjectCESA-2020:4953
HistoryNov 09, 2020 - 1:15 p.m.

xorg security update

2020-11-0913:15:06
CentOS Project
lists.centos.org
101
x.org
security update
vulnerabilities

CVSS2

4.6

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

33.4%

JSON

CentOS Errata and Security Advisory CESA-2020:4953

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.

Merged security bulletin from advisories:
https://lists.centos.org/pipermail/centos-announce/2020-November/085936.html

Affected packages:
xorg-x11-server-Xdmx
xorg-x11-server-Xephyr
xorg-x11-server-Xnest
xorg-x11-server-Xorg
xorg-x11-server-Xvfb
xorg-x11-server-common
xorg-x11-server-devel
xorg-x11-server-source

Upstream details at:
https://access.redhat.com/errata/RHSA-2020:4953

OSVersionArchitecturePackageVersionFilename
CentOS6i686xorg-x11-server-common< 1.17.4-18.el6.centosxorg-x11-server-common-1.17.4-18.el6.centos.i686.rpm
CentOS6i686xorg-x11-server-devel< 1.17.4-18.el6.centosxorg-x11-server-devel-1.17.4-18.el6.centos.i686.rpm
CentOS6noarchxorg-x11-server-source< 1.17.4-18.el6.centosxorg-x11-server-source-1.17.4-18.el6.centos.noarch.rpm
CentOS6i686xorg-x11-server-xdmx< 1.17.4-18.el6.centosxorg-x11-server-Xdmx-1.17.4-18.el6.centos.i686.rpm
CentOS6i686xorg-x11-server-xephyr< 1.17.4-18.el6.centosxorg-x11-server-Xephyr-1.17.4-18.el6.centos.i686.rpm
CentOS6i686xorg-x11-server-xnest< 1.17.4-18.el6.centosxorg-x11-server-Xnest-1.17.4-18.el6.centos.i686.rpm
CentOS6i686xorg-x11-server-xorg< 1.17.4-18.el6.centosxorg-x11-server-Xorg-1.17.4-18.el6.centos.i686.rpm
CentOS6i686xorg-x11-server-xvfb< 1.17.4-18.el6.centosxorg-x11-server-Xvfb-1.17.4-18.el6.centos.i686.rpm
CentOS6x86_64xorg-x11-server-common< 1.17.4-18.el6.centosxorg-x11-server-common-1.17.4-18.el6.centos.x86_64.rpm
CentOS6i686xorg-x11-server-devel< 1.17.4-18.el6.centosxorg-x11-server-devel-1.17.4-18.el6.centos.i686.rpm
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CVSS2

4.6

Attack Vector

LOCAL

Attack 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

CVSS3

7.8

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

AI Score

7.4

Confidence

High

EPSS

0.001

Percentile

33.4%

JSON
Related for CESA-2020:4953
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