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CVE-2022-38764: ZDI-22-1178

A vulnerability on Trend Micro HouseCall version 1.62.1.1133 and below could allow a local attacker to escalate privlieges due to an overly permissive folder om the product installer.

CVE
#vulnerability

August 31st, 2022

Trend Micro HouseCall Incorrect Permission Assignment Privilege Escalation Vulnerability****ZDI-22-1178
ZDI-CAN-16829

CVE ID

CVE-2022-38764

CVSS SCORE

7.3, (AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H)

AFFECTED VENDORS

Trend Micro

AFFECTED PRODUCTS

HouseCall

VULNERABILITY DETAILS

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro HouseCall. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability.

The specific flaw exists within the product installer. The issue results from incorrect permissions set on product folders created by the installer. An attacker can leverage this vulnerability to escalate privileges and execute arbitrary code in the context of an administrator.

ADDITIONAL DETAILS

Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://helpcenter.trendmicro.com/en-us/article/tmka-11092

DISCLOSURE TIMELINE

  • 2022-04-29 - Vulnerability reported to vendor
  • 2022-08-31 - Coordinated public release of advisory

CREDIT

Xavier Danest - Decathlon

BACK TO ADVISORIES

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