#VU69909 Link following in Apex One - CVE-2022-45798

Vulnerability identifier: #VU69909

Vulnerability 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

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apex One
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor: Trend Micro

Description

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

The vulnerability exists due to insecure symlink following issue in the Damage Cleanup Engine component. A local user can create a specially crafted symbolic link to a critical file on the system and delete it.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apex One: CP B2049 - 2019

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External links
https://success.trendmicro.com/dcx/s/solution/000291830?language=en_US
https://www.zerodayinitiative.com/advisories/ZDI-22-1665/

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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.