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Multiple vulnerabilities in Trend Micro HouseCall for Home Networks



Published: 2019-12-18 | Updated: 2019-12-29
Severity Medium
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2019-19688
CVE-2019-19689
CWE ID CWE-276
CWE-427
Exploitation vector Network
Public exploit N/A
Vulnerable software
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HouseCall for Home Networks
Server applications / SCADA systems

Vendor Trend Micro

Security Advisory

1) Incorrect default permissions

Severity: Low

CVSSv3: 6.8 [CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-19688

CWE-ID: CWE-276 - Incorrect Default Permissions

Exploit availability: No

Description

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

The vulnerability exists due to incorrect default permissions for files and folders that are set by the application. A local user with access to the system can place a malicious DLL into the application directory and elevate privileges on the system.

Mitigation

Update to version 5.3.0.1063.

Vulnerable software versions

HouseCall for Home Networks: -

CPE External links

https://esupport.trendmicro.com/en-us/home/pages/technical-support/1124034.aspx

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.

2) Insecure DLL loading

Severity: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2019-19689

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into opening a file, associated with the vulnerable application, and execute arbitrary code on victim's system.

Mitigation

Update to version 5.3.0.1063.

Vulnerable software versions

HouseCall for Home Networks: -

CPE External links

https://esupport.trendmicro.com/en-us/home/pages/technical-support/1124034.aspx

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

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.

Is there known malware, which exploits this vulnerability?

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