Multiple vulnerabilities in CBC digital video recorders

Published: 2023-08-25

Risk	Medium
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2023-38585 CVE-2023-40144 CVE-2023-40158
CWE-ID	CWE-287 CWE-78 CWE-912
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	NR4H Hardware solutions / Other hardware appliances NR8H Hardware solutions / Other hardware appliances NR16H Hardware solutions / Other hardware appliances DR-16F Hardware solutions / Other hardware appliances DR-8F Hardware solutions / Other hardware appliances DR-4F Hardware solutions / Other hardware appliances DR-16H Hardware solutions / Other hardware appliances DR-8H Hardware solutions / Other hardware appliances DR-4H Hardware solutions / Other hardware appliances DR-4M41 Hardware solutions / Other hardware appliances NR-4M Hardware solutions / Other hardware appliances NR-8M Hardware solutions / Other hardware appliances NR-16M Hardware solutions / Other hardware appliances NR-4F Hardware solutions / Other hardware appliances NR-8F Hardware solutions / Other hardware appliances NR-16F Hardware solutions / Other hardware appliances DR-16M Hardware solutions / Other hardware appliances DR-8M Hardware solutions / Other hardware appliances DR-4M51 Hardware solutions / Other hardware appliances
Vendor	CBC Group

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Improper Authentication

EUVDB-ID: #VU80007

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-38585

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote user can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

NR4H: All versions

NR8H: All versions

NR16H: All versions

DR-16F: All versions

DR-8F: All versions

DR-4F: All versions

DR-16H: All versions

DR-8H: All versions

DR-4H: All versions

DR-4M41: All versions

NR-4M: All versions

NR-8M: All versions

NR-16M: All versions

NR-4F: All versions

NR-8F: All versions

NR-16F: All versions

DR-16M: All versions

DR-8M: All versions

DR-4M51: All versions

External links

http://ganzsecurity.com/release/1578/digimasterpixelmaster-security-notice
http://jvn.jp/en/vu/JVNVU92545432/
http://download.ganzsecurity.pl/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) OS Command Injection

EUVDB-ID: #VU80009

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40144

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation. A remote user can pass specially crafted data to the application and execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

NR4H: All versions

NR8H: All versions

NR16H: All versions

DR-16F: All versions

DR-8F: All versions

DR-4F: All versions

DR-16H: All versions

DR-8H: All versions

DR-4H: All versions

DR-4M41: All versions

NR-4M: All versions

NR-8M: All versions

NR-16M: All versions

NR-4F: All versions

NR-8F: All versions

NR-16F: All versions

DR-16M: All versions

DR-8M: All versions

DR-4M51: All versions

External links

http://ganzsecurity.com/release/1578/digimasterpixelmaster-security-notice
http://jvn.jp/en/vu/JVNVU92545432/
http://download.ganzsecurity.pl/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Hidden functionality

EUVDB-ID: #VU80011

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40158

CWE-ID: CWE-912 - Hidden Functionality (Backdoor)

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system

The vulnerability exists due to hidden functionality (backdoor) is present in software. A remote user can use this functionality to gain full access to the application and compromise the affected system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

NR4H: All versions

NR8H: All versions

NR16H: All versions

DR-16F: All versions

DR-8F: All versions

DR-4F: All versions

DR-16H: All versions

DR-8H: All versions

DR-4H: All versions

DR-4M41: All versions

NR-4M: All versions

NR-8M: All versions

NR-16M: All versions

NR-4F: All versions

NR-8F: All versions

NR-16F: All versions

DR-16M: All versions

DR-8M: All versions

DR-4M51: All versions

External links

http://ganzsecurity.com/release/1578/digimasterpixelmaster-security-notice
http://jvn.jp/en/vu/JVNVU92545432/
http://download.ganzsecurity.pl/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.