Quantum Secular Labs / Blog / Advisories
CVE-2017-12928: Tecnovision Dlx Spot Player4: Hard-coded credentials or backdoor
CVE-2017-12928 is rated critical with a CVSS v3.0 base score of 9.8 and affects Tecnovision Dlx Spot Player4. Per its scoring, it can be exploited over the network, without authentication, without any user interaction. The scored impact on confidentiality, integrity and availability is the highest available.
Vulnerability description
A hard-coded password of tecn0visi0n for the dlxuser account in TecnoVISION DLX Spot Player4 (all known versions) allows remote attackers to log in via SSH and escalate privileges to root access with the same credentials.
Severity breakdown
CVSS v3.0 9.8: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Attack vector: Network. Exploitable remotely over the network, with no need for local or physical access.
- Attack complexity: Low. No special conditions; the attack can be repeated reliably.
- Privileges required: None. No account or prior access is needed.
- User interaction: None. No action from any user is needed.
- Scope: Unchanged. Impact stays within the vulnerable component.
- Confidentiality impact: High. Total loss of confidentiality; sensitive data can be fully disclosed.
- Integrity impact: High. Total loss of integrity; data or system state can be fully modified.
- Availability impact: High. Total loss of availability; the component can be shut down.
Underlying weakness
CWE-798: Use of Hard-coded Credentials
The product contains hard-coded credentials, such as a password or cryptographic key.
Affected products
- Tecnovision Dlx Spot Player4: all versions listed by NVD