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Test ID:1.3.6.1.4.1.25623.1.0.844566
Category:Ubuntu Local Security Checks
Title:Ubuntu: Security Advisory for xorg-server (USN-4488-1)
Summary:The remote host is missing an update for the 'xorg-server'; package(s) announced via the USN-4488-1 advisory.
Description:Summary:
The remote host is missing an update for the 'xorg-server'
package(s) announced via the USN-4488-1 advisory.

Vulnerability Insight:
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the
input extension protocol. A local attacker could possibly use this issue to
escalate privileges. (CVE-2020-14346)

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly initialized
memory. A local attacker could possibly use this issue to obtain sensitive
information. (CVE-2020-14347)

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the
XkbSelectEvents function. A local attacker could possibly use this issue to
escalate privileges. (CVE-2020-14361)

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the
XRecordRegisterClients function. A local attacker could possibly use this
issue to escalate privileges. (CVE-2020-14362)

Affected Software/OS:
'xorg-server' package(s) on Ubuntu 20.04 LTS, Ubuntu 18.04 LTS, Ubuntu 16.04 LTS.

Solution:
Please install the updated package(s).

CVSS Score:
4.6

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

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-14346
Common Vulnerability Exposure (CVE) ID: CVE-2020-14347
Common Vulnerability Exposure (CVE) ID: CVE-2020-14361
Common Vulnerability Exposure (CVE) ID: CVE-2020-14362
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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