CVE-2019-3931: Critical severity crestron airmedia am-100 firmware vulnerability

Published 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.

Affected Software

8 affected components
Crestron AM-100 firmware=1.6.0.2
Crestron AM-100
Crestron AM-101 firmware=2.7.0.2
Crestron AM-101
All of the following
Crestron AM-100 firmware=1.6.0.2
Crestron AM-100
All of the following
Crestron AM-101 firmware=2.7.0.2
Crestron AM-101

Event History

Apr 30, 2019
CVE Published
via MITRE·08:28 PM
Data Sourced
via MITRE·08:28 PM
DescriptionWeakness
Data Sourced
via NVD·09:29 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the vulnerability ID of this vulnerability?

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

2

What is the severity of CVE-2019-3931?

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

3

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.

4

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.

5

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.

Contact

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