SB2022040528 - Multiple vulnerabilities in FortiEDR

Description

This security bulletin contains information about 3 vulnerabilities.

1) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2022-23440)

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

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

The vulnerability allows a local user to uninstall the collector.

The vulnerability exists due to usage of a hard-coded cryptographic AES key in the registration mechanism of FortiEDR collectors. A local user can disable and uninstall the collectors from the end-points within the same deployment.

2) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2022-23441)

CWE-ID: CWE-321 - Use of Hard-coded Cryptographic Key

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

The vulnerability allows a remote attacker to manipulate messages.

The vulnerability exists due to usage of a hard-coded cryptographic key. A remote attacker can pretend as another collector on the network and send fake messages.

3) Improper control of a resource through its lifetime (CVE-ID: CVE-2022-23446)

CWE-ID: CWE-664 - Improper control of a resource through its lifetime

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

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper control of a resource through its lifetime in in FortiEDR Collector. A local privileged user can change permissions on the application's root directory and make it unresponsive.

Remediation

Install update from vendor's website.

References

• https://fortiguard.fortinet.com/psirt/FG-IR-22-018
• https://fortiguard.fortinet.com/psirt/FG-IR-22-019
• https://fortiguard.fortinet.com/psirt/FG-IR-22-052