Login
Login-Name Passwort


 
Newsletter
Werbung

Sicherheit: Mehrere Probleme in X11
Aktuelle Meldungen Distributionen
Name: Mehrere Probleme in X11
ID: USN-3362-1
Distribution: Ubuntu
Plattformen: Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 17.04
Datum: Mo, 24. Juli 2017, 22:42
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10971
https://launchpad.net/ubuntu/+source/xorg-server-lts-xenial/2:1.18.3-1ubuntu2.3~trusty2
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-10972
https://launchpad.net/ubuntu/+source/xorg-server-hwe-16.04/2:1.18.4-1ubuntu6.1~16.04.2
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-2624

Originalnachricht

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============1237835020206213368==
Content-Type: multipart/signed; micalg=pgp-sha512;
protocol="application/pgp-signature";
boundary="wotjqXqea44XojEmcebbanG92Ce9AhcRd"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--wotjqXqea44XojEmcebbanG92Ce9AhcRd
Content-Type: multipart/mixed;
boundary="6aWanSaMujheup9pXJAxKP6TJhFk16SwW";
protected-headers="v1"
From: Marc Deslauriers <marc.deslauriers@canonical.com>
Reply-To: Ubuntu Security <security@ubuntu.com>
To: ubuntu-security-announce@lists.ubuntu.com
Message-ID: <8319601c-aa5b-81fd-112a-83c92342f613@canonical.com>
Subject: [USN-3362-1] X.Org X server vulnerabilities

--6aWanSaMujheup9pXJAxKP6TJhFk16SwW
Content-Type: text/plain; charset=utf-8
Content-Language: en-C
Content-Transfer-Encoding: quoted-printable

==========================================================================
Ubuntu Security Notice USN-3362-1
July 24, 2017

xorg-server, xorg-server-hwe-16.04, xorg-server-lts-xenial vulnerabilities
==========================================================================

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

- Ubuntu 17.04
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS

Summary:

Several security issues were fixed in the X.Org X server.

Software Description:
- xorg-server: X.Org X11 server
- xorg-server-hwe-16.04: X.Org X11 server
- xorg-server-lts-xenial: X.Org X11 server

Details:

It was discovered that the X.Org X server incorrectly handled endianness
conversion of certain X events. An attacker able to connect to an X server,
either locally or remotely, could use this issue to crash the server, or
possibly execute arbitrary code as an administrator. (CVE-2017-10971)

It was discovered that the X.Org X server incorrectly handled endianness
conversion of certain X events. An attacker able to connect to an X server,
either locally or remotely, could use this issue to possibly obtain
sensitive information. (CVE-2017-10972)

Eric Sesterhenn discovered that the X.Org X server incorrectly compared
MIT cookies. An attacker could possibly use this issue to perform a timing
attack and recover the MIT cookie. (CVE-2017-2624)

Update instructions:

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

Ubuntu 17.04:
xserver-xorg-core 2:1.19.3-1ubuntu1.1

Ubuntu 16.04 LTS:
xserver-xorg-core 2:1.18.4-0ubuntu0.3
xserver-xorg-core-hwe-16.04 2:1.18.4-1ubuntu6.1~16.04.2

Ubuntu 14.04 LTS:
xserver-xorg-core 2:1.15.1-0ubuntu2.9
xserver-xorg-core-lts-xenial 2:1.18.3-1ubuntu2.3~trusty2

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

References:
https://www.ubuntu.com/usn/usn-3362-1
CVE-2017-10971, CVE-2017-10972, CVE-2017-2624

Package Information:
https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.3-1ubuntu1.1
https://launchpad.net/ubuntu/+source/xorg-server/2:1.18.4-0ubuntu0.3

https://launchpad.net/ubuntu/+source/xorg-server-hwe-16.04/2:1.18.4-1ubuntu6.1~16.04.2
https://launchpad.net/ubuntu/+source/xorg-server/2:1.15.1-0ubuntu2.9

https://launchpad.net/ubuntu/+source/xorg-server-lts-xenial/2:1.18.3-1ubuntu2.3~trusty2



--6aWanSaMujheup9pXJAxKP6TJhFk16SwW--

--wotjqXqea44XojEmcebbanG92Ce9AhcRd
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2
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=bbdp
-----END PGP SIGNATURE-----

--wotjqXqea44XojEmcebbanG92Ce9AhcRd--


--===============1237835020206213368==
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline

--
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce

--===============1237835020206213368==--
Pro-Linux
Traut euch!
Neue Nachrichten
Werbung