USN-4488-2

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Source
https://ubuntu.com/security/notices/USN-4488-2
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/USN-4488-2.json
JSON Data
https://api.osv.dev/v1/vulns/USN-4488-2
Related
Published
2020-09-09T16:33:35.016224Z
Modified
2020-09-09T16:33:35.016224Z
Summary
xorg-server vulnerabilities
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 XRecordRegisterClients function. A local attacker could possibly use this issue to escalate privileges. (CVE-2020-14362)

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled the XkbSetNames function. A local attacker could possibly use this issue to escalate privileges. (CVE-2020-14345)

References

Affected packages

Ubuntu:Pro:14.04:LTS / xorg-server

Package

Name
xorg-server

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2:1.15.1-0ubuntu2.11+esm2

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro",
    "binaries": [
        {
            "xdmx-tools": "2:1.15.1-0ubuntu2.11+esm2",
            "xserver-xorg-xmir": "2:1.15.1-0ubuntu2.11+esm2",
            "xvfb": "2:1.15.1-0ubuntu2.11+esm2",
            "xdmx": "2:1.15.1-0ubuntu2.11+esm2",
            "xserver-xorg-dev": "2:1.15.1-0ubuntu2.11+esm2",
            "xorg-server-source": "2:1.15.1-0ubuntu2.11+esm2",
            "xserver-xorg-core": "2:1.15.1-0ubuntu2.11+esm2",
            "xserver-common": "2:1.15.1-0ubuntu2.11+esm2",
            "xnest": "2:1.15.1-0ubuntu2.11+esm2",
            "xserver-xephyr": "2:1.15.1-0ubuntu2.11+esm2",
            "xserver-xorg-core-udeb": "2:1.15.1-0ubuntu2.11+esm2"
        }
    ]
}