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Sicherheit: Mehrere Probleme in libx11 (Aktualisierung)
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in libx11 (Aktualisierung)
ID: USN-3758-2
Distribution: Ubuntu
Plattformen: Ubuntu 12.04 ESM
Datum: Do, 30. August 2018, 23:56
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14600
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14599
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-14598
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7943
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7942
Applikationen: libx11
Update von: Mehrere Probleme in libx11

Originalnachricht


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==========================================================================
Ubuntu Security Notice USN-3758-2
August 30, 2018

libx11 vulnerabilities
==========================================================================

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

- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in libx11.

Software Description:
- libx11: X11 client-side library

Details:

USN-3758-1 fixed several vulnerabilities in libx11. This update
provides the corresponding update for Ubuntu 12.04 ESM.

Original advisory details:

Tobias Stoeckmann discovered that libx11 incorrectly handled certain
images. An attacker could possibly use this issue to access sensitive
information (CVE-2016-7942)

Tobias Stoeckmann discovered that libx11 incorrectly handled certain
inputs. An attacker could possibly use this issue to access sensitive
information. (CVE-2016-7943)

It was discovered that libx11 incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of
service. (CVE-2018-14598, CVE-2018-14599, CVE-2018-14600)

Update instructions:

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

Ubuntu 12.04 ESM:
libx11-6 2:1.4.99.1-0ubuntu2.4
libx11-dev 2:1.4.99.1-0ubuntu2.4

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

References:
https://usn.ubuntu.com/usn/usn-3758-2
https://usn.ubuntu.com/usn/usn-3758-1
CVE-2016-7942, CVE-2016-7943, CVE-2018-14598, CVE-2018-14599,
CVE-2018-14600
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