SB2020061213 - Multiple vulnerabilities in GeoVision Door Access Control device family

Description

This security bulletin contains information about 2 vulnerabilities.

1) Use of hard-coded credentials (CVE-ID: CVE-2020-3928)

CWE-ID: CWE-798 - Use of Hard-coded Credentials

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber

The vulnerability allows a remote attacker to gain full access to vulnerable system.

The vulnerability exists due to presence of hard-coded credentials in application code. A remote unauthenticated attacker can access the affected system using the hard-coded credentials.

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

2) Inadequate Encryption Strength (CVE-ID: CVE-2020-3929)

CWE-ID: CWE-326 - Inadequate Encryption Strength

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to gain access to sensitive information on the target system.

The vulnerability exists due to the affected products share cryptographic private keys for SSH and HTTPS. A remote attacker can conduct MITM attack with the derived keys and plaintext recover of encrypted messages.

Remediation

Install update from vendor's website.

References

• https://www.twcert.org.tw/tw/cp-132-3695-9e72d-1.html
• https://www.twcert.org.tw/tw/cp-132-3696-6601c-1.html