#VU82873 Link following in Apex One - CVE-2023-47192

Vulnerability identifier: #VU82873

Vulnerability risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-47192

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 escalate privileges on the system.

The vulnerability exists due to insecure link following within the Apex One NT RealTime Scan service. A local user can create a symbolic link to a critical file on the system and overwrite it with elevated privileges.

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/000295652?language=en_US
https://www.zerodayinitiative.com/advisories/ZDI-23-1611/

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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.