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ubuntuUbuntuUSN-4490-1
HistorySep 08, 2020 - 12:00 a.m.

X.Org X Server vulnerability

2020-09-0800:00:00
ubuntu.com
48

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

7.8 High

AI Score

Confidence

High

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

0.0005 Low

EPSS

Percentile

16.5%

JSON

Releases

  • Ubuntu 20.04 LTS
  • Ubuntu 18.04 ESM
  • Ubuntu 16.04 ESM

Packages

  • xorg-server - X.Org X11 server
  • xorg-server-hwe-16.04 - X.Org X11 server
  • xorg-server-hwe-18.04 - X.Org X11 server

Details

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the
XkbSetNames function. A local attacker could possibly use this issue to
escalate privileges.

OSVersionArchitecturePackageVersionFilename
Ubuntu20.04noarchxserver-xorg-core< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxdmx< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxdmx-dbgsym< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxdmx-tools< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxdmx-tools-dbgsym< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxnest< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxnest-dbgsym< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxorg-server-source< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxserver-common< 2:1.20.8-2ubuntu2.4UNKNOWN
Ubuntu20.04noarchxserver-xephyr< 2:1.20.8-2ubuntu2.4UNKNOWN
Rows per page:
1-10 of 901

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CVE-2020-14345
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X.Org Server XkbSetNames Out-Of-Bounds Access Privilege Escalation Vulnerability
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xorg-server - security update
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nessus
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SUSE: Security Advisory (SUSE-SU-2020:14463-1)
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2020-08-29 00:00:00
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xorg-x11-server security update
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Important: xorg-x11-server
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redhat
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(RHSA-2020:4910) Important: xorg-x11-server security update
2020-11-04 09:41:14
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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

7.8 High

AI Score

Confidence

High

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

0.0005 Low

EPSS

Percentile

16.5%

JSON
Related for USN-4490-1
alpinelinux1zdi1osv7nessus44openvas23veracode1prion1ubuntucve1cve1debiancve1redhatcve1suse2oraclelinux3mageia1amazon3redhat7centos2freebsd1debian3ubuntu1gentoo1rocky1almalinux1ibm1