VDB-134281 · CVE-2019-3933 · Qualys 13484

Crestron AM-100/AM-101 /images/browserslide.jpg access control

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CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

A vulnerability classified as critical was found in Crestron AM-100 and AM-101. Affected by this vulnerability is an unknown function of the file /images/browserslide.jpg. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-284. As an impact it is known to affect confidentiality. The summary by CVE is:

Crestron AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2 allows anyone to bypass the presentation code simply by requesting /images/browserslide.jpg via HTTP. A remote, unauthenticated attacker can use this vulnerability to watch a slideshow without knowing the access code.

The bug was discovered 05/01/2019. The weakness was released 04/30/2019. This vulnerability is known as CVE-2019-3933 since 01/03/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

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 is able to address this issue.

Entries connected to this vulnerability are available at 134273, 134274, 134275 and 134276.

Affectededit

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

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Vendor

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

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

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2infoedit

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

NVD Base Score: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-284
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Threat: 🔍
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Countermeasuresinfoedit

Recommended: Firewall
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

01/03/2019 🔍
04/30/2019 +117 days 🔍
05/01/2019 +1 days 🔍
05/01/2019 +0 days 🔍
06/05/2020 +401 days 🔍

Sourcesinfoedit

Status: Confirmed

CVE: CVE-2019-3933 (🔍)
See also: 🔍

Entryinfoedit

Created: 05/01/2019 02:08 PM
Updated: 06/05/2020 11:42 AM
Changes: (1) vulnerability_discoverydate
Complete: 🔍

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