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ubuntuUbuntuUSN-4656-2
HistoryDec 07, 2020 - 12:00 a.m.

X.Org X Server vulnerabilities

2020-12-0700:00:00
ubuntu.com
47

6.1 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.7%

JSON

Releases

  • Ubuntu 14.04 ESM

Packages

  • xorg-server - X.Org X11 server

Details

USN-4656-1 fixed several vulnerabilities in X.Org. This update provides
the corresponding update for Ubuntu 14.04 ESM.

Original advisory details:

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

OSVersionArchitecturePackageVersionFilename
Ubuntu14.04noarchxserver-xorg-core< 2:1.15.1-0ubuntu2.11+esm3UNKNOWN
Ubuntu14.04noarchxdmx< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxdmx-dbgsym< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxdmx-tools< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxdmx-tools-dbgsym< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxnest< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxnest-dbgsym< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxserver-xephyr< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxserver-xephyr-dbgsym< 2:1.15.1-0ubuntu2.11UNKNOWN
Ubuntu14.04noarchxserver-xorg-core< 2:1.15.1-0ubuntu2.11UNKNOWN
Rows per page:
1-10 of 201

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6.1 Medium

CVSS2

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

COMPLETE

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

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

8.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

26.7%

JSON
Related for USN-4656-2
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