Packages
- 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)
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
After a standard system update you need to reboot your computer to make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 17.04 zesty | xserver-xorg-core – 2:1.19.3-1ubuntu1.1 | ||
| 16.04 xenial | xserver-xorg-core – 2:1.18.4-0ubuntu0.3 | ||
| xserver-xorg-core-hwe-16.04 – 2:1.18.4-1ubuntu6.1~16.04.2 | |||
| 14.04 trusty | xserver-xorg-core – 2:1.15.1-0ubuntu2.9 | ||
| xserver-xorg-core-lts-xenial – 2:1.18.3-1ubuntu2.3~trusty2 | |||
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