CWE
88
Advisory Published
Updated

CVE-2019-3931

First published: Tue Apr 30 2019(Updated: )

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are vulnerable to argumention injection to the curl binary via crafted HTTP requests to return.cgi. A remote, authenticated attacker can use this vulnerability to upload files to the device and ultimately execute code as root.

Credit: vulnreport@tenable.com vulnreport@tenable.com

Affected SoftwareAffected VersionHow to fix
Crestron AM-100 firmware=1.6.0.2
Crestron AM-100
Crestron AM-101 firmware=2.7.0.2
Crestron AM-101
All of
Crestron AM-100 firmware=1.6.0.2
Crestron AM-100
All of
Crestron AM-101 firmware=2.7.0.2
Crestron AM-101

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Frequently Asked Questions

  • What is the vulnerability ID of this vulnerability?

    The vulnerability ID of this vulnerability is CVE-2019-3931.

  • What is the severity of CVE-2019-3931?

    The severity of CVE-2019-3931 is critical with a severity value of 8.8.

  • Which devices are affected by CVE-2019-3931?

    Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 are affected by CVE-2019-3931.

  • How does CVE-2019-3931 work?

    CVE-2019-3931 allows a remote, authenticated attacker to perform argument injection to the curl binary through crafted HTTP requests to return.cgi, enabling them to upload files to the affected device and execute code as root.

  • Is there a fix available for CVE-2019-3931?

    It is recommended to update the firmware of the Crestron AM-100 and AM-101 devices to versions that are not vulnerable.

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