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CVE-2022-40709: ZDI-22-1299

An Out-of-bounds read vulnerability in Trend Micro Deep Security 20 and Cloud One - Workload Security Agent for Windows could allow a local attacker to disclose sensitive information on affected installations.

Please note: an attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit these vulnerabilities.

This vulnerability is similar to, but not identical to CVE-2022-40707 and 40708.

CVE
#vulnerability#windows#zero_day

September 23rd, 2022

Trend Micro Deep Security Out-Of-Bounds Read Information Disclosure Vulnerability****ZDI-22-1299
ZDI-CAN-16651

CVE ID

CVE-2022-40709

CVSS SCORE

4.4, (AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L)

AFFECTED VENDORS

Trend Micro

AFFECTED PRODUCTS

Deep Security

VULNERABILITY DETAILS

This vulnerability allows local attackers to disclose sensitive information on affected installations of Trend Micro Deep Security. 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 User Mode Hooking Monitor Engine. The issue results from the lack of proper validation of user-supplied data, which can result in a read past the end of an allocated buffer. An attacker can leverage this in conjunction with other vulnerabilities to escalate privileges and execute arbitrary code in the context of SYSTEM.

ADDITIONAL DETAILS

Trend Micro has issued an update to correct this vulnerability. More details can be found at:
https://success.trendmicro.com/solution/000291590

DISCLOSURE TIMELINE

  • 2022-02-16 - Vulnerability reported to vendor
  • 2022-09-23 - Coordinated public release of advisory

CREDIT

Michael DePlante (@izobashi) of Trend Micro’s Zero Day Initiative

BACK TO ADVISORIES

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