Privilege escalation in Trend Micro HouseCall for Home Networks



Published: 2021-01-27 | Updated: 2021-09-16
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-25247
CWE-ID CWE-427
Exploitation vector Local
Public exploit N/A
Vulnerable software
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HouseCall for Home Networks
Server applications / SCADA systems

Vendor Trend Micro

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Insecure DLL loading

EUVDB-ID: #VU50813

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-25247

CWE-ID: CWE-427 - Uncontrolled Search Path Element

Exploit availability: No

Description

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

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

Mitigation

Install updates from vendor's website.

Vulnerable software versions

HouseCall for Home Networks: 5.3.1045 - 5.3.1063

External links

http://helpcenter.trendmicro.com/en-us/article/TMKA-10180


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.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

The attacker would have to login to the system and perform certain actions in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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