CVE-2019-3927 : Vulnerability Insights and Analysis
Learn about CVE-2019-3927 affecting Crestron AM-100 and AM-101 devices, allowing remote attackers to change passwords and gain unauthorized access. Find mitigation steps and preventive measures here.
The Crestron AM-100 and AM-101 devices are vulnerable to unauthorized password changes, potentially granting remote attackers access to restricted areas.
Understanding CVE-2019-3927
What is CVE-2019-3927?
The CVE-2019-3927 vulnerability affects Crestron AirMedia devices, specifically the AM-100 with firmware 1.6.0.2 and AM-101 with firmware 2.7.0.2. It allows remote attackers to change administrator and moderator passwords without authentication.
The Impact of CVE-2019-3927
Exploiting this vulnerability enables unauthorized access to restricted sections of the HTTP interface, compromising the security and integrity of the affected devices.
Technical Details of CVE-2019-3927
Vulnerability Description
The vulnerability stems from improper access control (CWE-284), enabling attackers to exploit specific OIDs to change passwords without authentication.
Affected Systems and Versions
- Product: Crestron AirMedia
- Vendor: Crestron
- Versions: AM-100 firmware 1.6.0.2 and AM-101 firmware 2.7.0.2
Exploitation Mechanism
Attackers can utilize iso.3.6.1.4.1.3212.100.3.2.8.1 and iso.3.6.1.4.1.3212.100.3.2.8.2 OIDs to modify passwords remotely, granting unauthorized access.
Mitigation and Prevention
Immediate Steps to Take
- Disable remote access if not required
- Implement strong, unique passwords for administrator and moderator accounts
- Regularly monitor device logs for suspicious activities
Long-Term Security Practices
- Conduct regular security assessments and audits
- Keep firmware and software up to date
- Educate users on secure password practices
Patching and Updates
Apply patches and updates provided by Crestron to address the vulnerability and enhance device security.