Privilege escalation in Trend Micro HouseCall for Home Networks

1) Untrusted search path

EUVDB-ID: #VU61983

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-2022-28339

CWE-ID: CWE-426 - Untrusted Search Path

Exploit availability: No

Description

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

The vulnerability exists due to application loads .dll libraries in an insecure manner. A local user can place a malicious .dll file in a specific directory on the system and execute arbitrary code with elevated privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

HouseCall: 5.3.1045 - 5.3.1302

CPE2.3

• cpe:2.3:a:trend_micro:housecall:5.3.1045:*:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:housecall:5.3.1048:*:*:*:*:*:*:*
• cpe:2.3:a:trend_micro:housecall:5.3.1063:*:*:*:*:*:*:*

External links

https://helpcenter.trendmicro.com/en-us/article/TMKA-21734
https://www.zerodayinitiative.com/advisories/ZDI-22-620/

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.