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Ubuntu 14.04 ESM: USN-4488-2 Moderate: X.Org Escalation Risks

ubuntu
Calendar Grey September 9, 2020
Dist Ubuntu Esm H88
Multiple significant vulnerabilities addressed in the X.Org X server, impacting Ubuntu 14.04. Make sure your system is updated.
Several security issues were fixed in X.Org X Server.

Summary

Several security issues were fixed in X.Org X Server.

Software Description:

- xorg-server: X.Org X11 server

Details:

USN-4488-1 fixed several vulnerabilities in X.Org. This update provides

the corresponding update and also the update from USN-4490-1 for Ubuntu 14.04 ESM.

Original advisory details:

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

XRecordRegisterC...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory update Ubuntu sensitive information escalation report X.Org

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 ESM:
  xserver-xorg-core               2:1.15.1-0ubuntu2.11+esm2

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-4488-2

https://ubuntu.com/security/notices/USN-4488-1

CVE-2020-14345, CVE-2020-14346, CVE-2020-14347, CVE-2020-14361,

CVE-2020-14362

September 09, 2020

Topics%20covered

Topics Covered

security advisory update Ubuntu sensitive information escalation report X.Org

Package Information

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