Arbitray file deletion vulnerability in Trend Micro Apex One

Published: 2022-12-05 | Updated: 2022-12-28

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-45797 CVE-2022-45798
CWE-ID	CWE-36 CWE-59
Exploitation vector	Local
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software	Apex One Client/Desktop applications / Antivirus software/Personal firewalls
Vendor	Trend Micro

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Absolute Path Traversal

EUVDB-ID: #VU69908

Risk: Low

CVSSv4.0: 1.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2022-45797

CWE-ID: CWE-36 - Absolute Path Traversal

Exploit availability: Yes

Description

The vulnerability allows a local user to delete arbitrary files on the system.

The vulnerability exists due to an error within the Damage Cleanup Engine component. A local user can delete arbitrary files on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: CP B2049 - 2019

CPE2.3

External links

https://success.trendmicro.com/dcx/s/solution/000291830?language=en_US
https://i.blackhat.com/EU-22/Wednesday-Briefings/EU-22-Yair-Aikido-Turning-EDRs-to-Malicious-Wipers.pdf

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.

2) Link following

EUVDB-ID: #VU69909

Risk: Low

CVSSv4.0: 1.1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-45798

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No