VDB-134284 · CVE-2019-3936 · Qualys 13484

Crestron AM-100/AM-101 Service Port 389 input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Crestron AM-100 and AM-101. The impacted element is an unknown function of the component Service Port 389. Executing a manipulation can lead to input validation. The identification of this vulnerability is CVE-2019-3936. The attack may be launched remotely. There is no exploit available. The application of restrictive firewalling is recommended.

Detailsinfo

A vulnerability has been found in Crestron AM-100 and AM-101 and classified as problematic. This vulnerability affects an unknown part of the component Service Port 389. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 is vulnerable to denial of service via a crafted request to TCP port 389. The request will force the slideshow to transition into a "stopped" state. A remote, unauthenticated attacker can use this vulnerability to stop an active slideshow.

The bug was discovered 05/01/2019. The weakness was shared 04/30/2019. This vulnerability was named CVE-2019-3936 since 01/03/2019. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 13484 (Crestron AM-100 and AM-101 Multiple Vulnerabilities).

Proper firewalling of tcp/389 is able to address this issue.

The entries VDB-134273, VDB-134274, VDB-134275 and VDB-134276 are related to this item. Once again VulDB remains the best source for vulnerability data.

Affected

  • Crestron AM-100 1.6.0.2
  • Crestron AM-101 2.7.0.2

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Firewalling: 🔍

Timelineinfo

01/03/2019 🔍
04/30/2019 +117 days 🔍
05/01/2019 +1 days 🔍
05/01/2019 +0 days 🔍
09/11/2023 +1594 days 🔍

Sourcesinfo

Advisory: tenable.com
Status: Confirmed

CVE: CVE-2019-3936 (🔍)
GCVE (CVE): GCVE-0-2019-3936
GCVE (VulDB): GCVE-100-134284
See also: 🔍

Entryinfo

Created: 05/01/2019 14:09
Updated: 09/11/2023 13:11
Changes: 05/01/2019 14:09 (57), 06/05/2020 12:02 (1), 09/11/2023 13:11 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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