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CVE-2014-6052

CVE-2014-6052

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

The HandleRFBServerMessage function in libvncclient/rfbproto.c in LibVNCServer 0.9.9 and earlier does not check certain malloc return values, which allows remote VNC servers to cause a denial of service (application crash) or possibly execute arbitrary code by specifying a large screen size in a (1) FramebufferUpdate, (2) ResizeFrameBuffer, or (3) PalmVNCReSizeFrameBuffer message.

EPSS 6.8% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • libvncserver Debian:12

    Affected ranges
    • ECOSYSTEM: < 0.9.9+dfsg-6.1

    Update to 0.9.9+dfsg-6.1

  • libvncserver Debian:13

    Affected ranges
    • ECOSYSTEM: < 0.9.9+dfsg-6.1

    Update to 0.9.9+dfsg-6.1

  • libvncserver Debian:14

    Affected ranges
    • ECOSYSTEM: < 0.9.9+dfsg-6.1

    Update to 0.9.9+dfsg-6.1

  • veyon Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.1.4+repack1-1

    Update to 4.1.4+repack1-1

  • veyon Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.1.4+repack1-1

    Update to 4.1.4+repack1-1

  • libvncserver Ubuntu:14.04:LTS

    Versions
    • 0.9.9+dfsg-1
    • 0.9.9+dfsg-1ubuntu1
    Affected ranges
    • ECOSYSTEM: < 0.9.9+dfsg-1ubuntu1.1

    Update to 0.9.9+dfsg-1ubuntu1.1

  • italc Ubuntu:16.04:LTS

    Versions
    • 1:2.0.2+dfsg1-3
    • 1:2.0.2+dfsg1-4
    Affected ranges
    • ECOSYSTEM: < 1:2.0.2+dfsg1-4ubuntu0.1

    Update to 1:2.0.2+dfsg1-4ubuntu0.1

Original sources

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