#VU80895 OS Command Injection in Apex One and Worry-Free Business Security - CVE-2023-41179

Vulnerability identifier: #VU80895

Vulnerability risk: High

CVSSv4.0: 8.5 [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:A/U:Amber]

CVE-ID: CVE-2023-41179

CWE-ID: CWE-78

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Apex One
Client/Desktop applications / Antivirus software/Personal firewalls
Worry-Free Business Security
Client/Desktop applications / Software for system administration

Vendor: Trend Micro

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper input validation within the third-party AV uninstaller module shipped with the software. A local user can execute arbitrary commands with elevated privileges.

Note, the vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apex One: CP B2049 - 2019

Worry-Free Business Security: Services - 11.0

---

External links
https://success.trendmicro.com/dcx/s/solution/000294994?language=en_US
https://files.trendmicro.com/documentation/readme/Apex%20One/2020/apex_one_2019_win_p_b12380_EN_patch_Readme.html
https://files.trendmicro.com/documentation/wfbs/10.0/WFBS_100_SP1_WIN_ALL_Patch_2495.txt

---

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?

Yes. This vulnerability is being exploited in the wild.