SB2022030912 - Multiple vulnerabilities in APC Smart-UPS devices

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2022-22805)

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

The vulnerability exists due to a boundary error within TLS in SmartConnect feature. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

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

2) Improper Authentication (CVE-ID: CVE-2022-22806)

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to a state confusion in the TLS handshake. A remote attacker can bypass authentication process and execute arbitrary code using a network firmware upgrade.

3) Cryptographic issues (CVE-ID: CVE-2022-0715)

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

The vulnerability exists due to flaw in firmware upgrade mechanisms. A remote attacker can perform unsigned firmware upgrade and execute arbitrary code on the system.

Remediation

Install update from vendor's website.

References

• https://www.armis.com/research/tlstorm/