SB2023050454 - Multiple vulnerabilities in FortiNAC

Description

This security bulletin contains information about 2 vulnerabilities.

1) Insufficiently protected credentials (CVE-ID: CVE-2022-45859)

CWE-ID: CWE-522 - Insufficiently Protected Credentials

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

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due usage of a weak hashing method in /etc/shadow. A local user can read and decrypt passwords that belong to other users on the system.

2) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2022-45858)

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

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

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to usage of a weak cryptographic algorithm. A remote attacker with ability to intercept communication can perform MitM attack.

Remediation

Install update from vendor's website.

References

• https://fortiguard.fortinet.com/psirt/FG-IR-22-456
• https://fortiguard.fortinet.com/psirt/FG-IR-22-452