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CVE-2020-14347

CVE-2020-14347

This page contains facts from public vulnerability sources. Check the original advisory before updating.

A flaw was found in the way xserver memory was not properly initialized. This could leak parts of server memory to the X client. In cases where Xorg server runs with elevated privileges, this could result in possible ASLR bypass. Xorg-server before version 1.20.9 is vulnerable.

CVSS 5.5 · Medium · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • xorg-x11-server

    Versions
    • 1.20.9: Affected

    No fix published

  • xorg-server Debian:12

    Affected ranges
    • ECOSYSTEM: < 2:1.20.9-1

    Update to 2:1.20.9-1

  • xorg-server Debian:13

    Affected ranges
    • ECOSYSTEM: < 2:1.20.9-1

    Update to 2:1.20.9-1

  • xorg-server Debian:14

    Affected ranges
    • ECOSYSTEM: < 2:1.20.9-1

    Update to 2:1.20.9-1

  • xorg-server Ubuntu:Pro:14.04:LTS

    Versions
    • 2:1.14.3-3ubuntu2
    • 2:1.14.3-3ubuntu3
    • 2:1.14.3-3ubuntu4
    • 2:1.14.3-5ubuntu1
    • 2:1.14.4-1ubuntu1
    • 2:1.14.4-1ubuntu2
    • 2:1.14.4.901-0ubuntu2
    • 2:1.14.5-1ubuntu2
    • 2:1.14.5-1ubuntu4
    • 2:1.15.0-1ubuntu1
    • 2:1.15.0-1ubuntu2
    • 2:1.15.0-1ubuntu3
    • 2:1.15.0-1ubuntu4
    • 2:1.15.0-1ubuntu6
    • 2:1.15.0-1ubuntu7
    • 2:1.15.1-0ubuntu1
    • 2:1.15.1-0ubuntu2
    • 2:1.15.1-0ubuntu2.1
    • 2:1.15.1-0ubuntu2.4
    • 2:1.15.1-0ubuntu2.5
    • 2:1.15.1-0ubuntu2.6
    • 2:1.15.1-0ubuntu2.7
    • 2:1.15.1-0ubuntu2.9
    • 2:1.15.1-0ubuntu2.10
    • 2:1.15.1-0ubuntu2.11
    Affected ranges
    • ECOSYSTEM: < 2:1.15.1-0ubuntu2.11+esm2

    Update to 2:1.15.1-0ubuntu2.11+esm2

  • xorg-server Ubuntu:16.04:LTS

    Versions
    • 2:1.17.2-1ubuntu9
    • 2:1.17.2-1ubuntu10
    • 2:1.17.3-2ubuntu1
    • 2:1.17.3-2ubuntu2
    • 2:1.17.3-2ubuntu3
    • 2:1.17.3-2ubuntu4
    • 2:1.18.1-1ubuntu3
    • 2:1.18.1-1ubuntu4
    • 2:1.18.3-1ubuntu1
    • 2:1.18.3-1ubuntu2
    • 2:1.18.3-1ubuntu2.2
    • 2:1.18.3-1ubuntu2.3
    • 2:1.18.4-0ubuntu0.1
    • 2:1.18.4-0ubuntu0.2
    • 2:1.18.4-0ubuntu0.3
    • 2:1.18.4-0ubuntu0.4
    • 2:1.18.4-0ubuntu0.6
    • 2:1.18.4-0ubuntu0.7
    • 2:1.18.4-0ubuntu0.8
    Affected ranges
    • ECOSYSTEM: < 2:1.18.4-0ubuntu0.9

    Update to 2:1.18.4-0ubuntu0.9

  • xorg-server-hwe-16.04 Ubuntu:16.04:LTS

    Versions
    • 2:1.18.4-1ubuntu6.1~16.04.1
    • 2:1.18.4-1ubuntu6.1~16.04.2
    • 2:1.19.3-1ubuntu1~16.04.2
    • 2:1.19.3-1ubuntu1~16.04.3
    • 2:1.19.3-1ubuntu1~16.04.4
    • 2:1.19.5-0ubuntu2~16.04.1
    • 2:1.19.6-1ubuntu4~16.04.1
    • 2:1.19.6-1ubuntu4.1~16.04.1
    • 2:1.19.6-1ubuntu4.1~16.04.2
    Affected ranges
    • ECOSYSTEM: < 2:1.19.6-1ubuntu4.1~16.04.3

    Update to 2:1.19.6-1ubuntu4.1~16.04.3

  • xorg-server Ubuntu:18.04:LTS

    Versions
    • 2:1.19.5-0ubuntu2
    • 2:1.19.6-1ubuntu1
    • 2:1.19.6-1ubuntu2
    • 2:1.19.6-1ubuntu3
    • 2:1.19.6-1ubuntu4
    • 2:1.19.6-1ubuntu4.1
    • 2:1.19.6-1ubuntu4.2
    • 2:1.19.6-1ubuntu4.3
    • 2:1.19.6-1ubuntu4.4
    Affected ranges
    • ECOSYSTEM: < 2:1.19.6-1ubuntu4.5

    Update to 2:1.19.6-1ubuntu4.5

  • xorg-server-hwe-18.04 Ubuntu:18.04:LTS

    Versions
    • 2:1.20.1-3ubuntu2.1~18.04.1
    • 2:1.20.4-1ubuntu3~18.04.1
    • 2:1.20.5+git20191008-0ubuntu1~18.04.1
    • 2:1.20.8-2ubuntu2.1~18.04.1
    • 2:1.20.8-2ubuntu2.2~18.04.1
    Affected ranges
    • ECOSYSTEM: < 2:1.20.8-2ubuntu2.2~18.04.2

    Update to 2:1.20.8-2ubuntu2.2~18.04.2

  • xorg-server Ubuntu:20.04:LTS

    Versions
    • 2:1.20.5+git20191008-0ubuntu1
    • 2:1.20.6-1ubuntu1
    • 2:1.20.7-2ubuntu1
    • 2:1.20.7-2ubuntu2
    • 2:1.20.8-2ubuntu2
    • 2:1.20.8-2ubuntu2.1
    • 2:1.20.8-2ubuntu2.2
    Affected ranges
    • ECOSYSTEM: < 2:1.20.8-2ubuntu2.3

    Update to 2:1.20.8-2ubuntu2.3

Original sources

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