==========================================================================
Ubuntu Security Notice USN-4573-1
October 07, 2020

vino vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 20.04 LTS
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in Vino.

Software Description:
– vino: VNC server for GNOME

Details:

Nicolas Ruff discovered that Vino incorrectly handled large ClientCutText
messages. A remote attacker could use this issue to cause the server to
crash, resulting in a denial of service. (CVE-2014-6053)

It was discovered that Vino incorrectly handled certain packet lengths. A
remote attacker could possibly use this issue to obtain sensitive
information, cause a denial of service, or execute arbitrary code.
(CVE-2018-7225)

Pavel Cheremushkin discovered that an information disclosure vulnerability
existed in Vino when sending a ServerCutText message. An attacker could
possibly use this issue to expose sensitive information. (CVE-2019-15681)

It was discovered that Vino incorrectly handled region clipping. A remote
attacker could possibly use this issue to cause Vino to crash, resulting in
a denial of service. (CVE-2020-14397)

It was discovered that Vino incorrectly handled encodings. A remote
attacker could use this issue to cause Vino to crash, resulting in a denial
of service, or possibly execute arbitrary code. (CVE-2020-14402,
CVE-2020-14403, CVE-2020-14404)

Update instructions:

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

Ubuntu 20.04 LTS:
vino 3.22.0-5ubuntu2.1

Ubuntu 18.04 LTS:
vino 3.22.0-3ubuntu1.1

Ubuntu 16.04 LTS:
vino 3.8.1-0ubuntu9.3

After a standard system update you need to restart your session to make all
the necessary changes.

References:
https://usn.ubuntu.com/4573-1
CVE-2014-6053, CVE-2018-7225, CVE-2019-15681, CVE-2020-14397,
CVE-2020-14402, CVE-2020-14403, CVE-2020-14404

Package Information:
https://launchpad.net/ubuntu/+source/vino/3.22.0-5ubuntu2.1
https://launchpad.net/ubuntu/+source/vino/3.22.0-3ubuntu1.1
https://launchpad.net/ubuntu/+source/vino/3.8.1-0ubuntu9.3

—–BEGIN PGP SIGNATURE—–
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=lE3U
—–END PGP SIGNATURE—–
—