medium
6.6
CWE
476
Advisory Published
Updated

CVE-2020-12514: Pepper+Fuchs Comtrol IO-Link Master NULL Pointer Dereference

First published: Mon Jan 04 2021(Updated: )

Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is prone to a NULL Pointer Dereference that leads to a DoS in discoveryd

Credit: info@cert.vde.com

Affected SoftwareAffected VersionHow to fix
Pepperl-fuchs Io-link Master 4-eip Firmware<=1.5.48
Pepperl-fuchs Io-link Master 4-eip
Pepperl-fuchs Io-link Master 8-eip Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-eip
Pepperl-fuchs Io-link Master 8-eip-l Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-eip-l
Pepperl-fuchs Io-link Master Dr-8-eip Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-eip
Pepperl-fuchs Io-link Master Dr-8-eip-p Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-eip-p
Pepperl-fuchs Io-link Master Dr-8-eip-t Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-eip-t
Pepperl-fuchs Io-link Master 4-pnio Firmware<=1.5.48
Pepperl-fuchs Io-link Master 4-pnio
Pepperl-fuchs Io-link Master 8-pnio Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-pnio
Pepperl-fuchs Io-link Master 8-pnio-l Firmware<=1.5.48
Pepperl-fuchs Io-link Master 8-pnio-l
Pepperl-fuchs Io-link Master Dr-8-pnio Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-pnio
Pepperl-fuchs Io-link Master Dr-8-pnio-p Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-pnio-p
Pepperl-fuchs Io-link Master Dr-8-pnio-t Firmware<=1.5.48
Pepperl-fuchs Io-link Master Dr-8-pnio-t

Remedy

In order to prevent the exploitation of the reported vulnerabilities, we recommend that the affected units be updated with the following three firmware packages: U-Boot bootloader version 1.36 or newer System image version 1.52 or newer Application base version 1.6.11 or newer

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Reference Links

Frequently Asked Questions

  • What is CVE-2020-12514?

    CVE-2020-12514 refers to a vulnerability in Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below that can be exploited to cause a Denial of Service (DoS) in discoveryd.

  • Which software versions are affected by CVE-2020-12514?

    Pepperl+Fuchs Comtrol IO-Link Master in Version 1.5.48 and below is affected by CVE-2020-12514.

  • How severe is CVE-2020-12514?

    CVE-2020-12514 has a severity rating of 4.9 out of 10, indicating a medium-level vulnerability.

  • How can CVE-2020-12514 be fixed?

    To fix CVE-2020-12514, users should update Pepperl+Fuchs Comtrol IO-Link Master to a version above 1.5.48, as this vulnerability has been patched in later versions.

  • Where can I find more information about CVE-2020-12514?

    More information about CVE-2020-12514 can be found in the advisory VDE-2020-038 published by VDE-CERT. The advisory provides additional details and recommendations.

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