SB2022072707 - Multiple vulnerabilities in Honeywell Safety Manager

Description

This security bulletin contains information about 3 vulnerabilities.

1) Insufficient verification of data authenticity (CVE-ID: CVE-2022-30315)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

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 compromise the target system.

The vulnerability exists due to the Safety Builder protocol does not validate or authenticate the download logic. A remote attacker can execute arbitrary code on the CPU module.

2) Missing Authentication for Critical Function (CVE-ID: CVE-2022-30313)

CWE-ID: CWE-306 - Missing Authentication for Critical Function

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

The vulnerability allows a local attacker to bypass authentication process.

The vulnerability exists due to missing authentication for critical function in the Safety Builder protocol. A local attacker can cause configuration and system changes.

3) Insufficient verification of data authenticity (CVE-ID: CVE-2022-30316)

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

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

The vulnerability allows a local attacker to compromise the target system.

The vulnerability exists due to the affected product firmware images are not signed and only rely on insecure checksums for regular integrity checks. A local attacker can boot process or push malicious firmware.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://ics-cert.us-cert.gov/advisories/icsa-22-207-02