SB2019121826 - Multiple vulnerabilities in Trend Micro HouseCall for Home Networks

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Main Vulnerability Database SB2019121826

SB2019121826 - Multiple vulnerabilities in Trend Micro HouseCall for Home Networks

Published: December 18, 2019 Updated: December 29, 2019

Security Bulletin ID SB2019121826
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Incorrect default permissions (CVE-ID: CVE-2019-19688)

CWE-ID: CWE-276 - Incorrect Default Permissions

CVSSv4: 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


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.


2) Insecure DLL loading (CVE-ID: CVE-2019-19689)

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

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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.


Remediation

Install update from vendor's website.

References