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Rewterz Threat Advisory – Multiple Trend Micro Vulnerabilities

Severity

High

Analysis Summary

CVE-2022-27883 CVSS:7.8

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Antivirus for Mac. 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 libTmUtil dylib. By creating a symbolic link, an attacker can abuse the product to loosen permissions on a local file. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of root.

CVE-2022-26871 CVSS:8.6

Trend Micro Apex Central could allow a remote attacker to upload arbitrary files, caused by the improper validation of file extensions. By sending a specially-crafted HTTP request, a remote attacker could exploit this vulnerability to upload a malicious script, which could allow the attacker to execute arbitrary code on the vulnerable system.

Impact

  • Privilege Escalation
  • Unauthorized Assess

Indicator Of Compromise

CVE

  • CVE-2022-27883
  • CVE-2022-26871

Affected Vendors

  • Trend Micro

Affected Products

  • Antivirus for Mac
  • Trend Micro Apex Central

Remediation

Refer to Trend Micro Security Bulletin: for patch, upgrade or suggested workaround information.

CVE-2022-27883 
CVE-2022-26871