PurpleFox Adds New Backdoor That Uses WebSockets

In September 2021, the Trend Micro Managed XDR MDR team looked into suspicious activity related to a PurpleFox operator. Our findings led us to investigate an updated PurpleFox arsenal, which included an added vulnerability CVE-2021-1732 and optimized rootkit capabilities leveraged in their attac...

PT-2021-23470

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One versions 10.0 SP1 Trend Micro Apex One as a Service versions 10.0 SP1 Trend Micro Worry-Free Business Security versions 10.0 SP1 Description A stack-based buffer overflow issue could allow a local attacker to escalate...

PT-2021-23533

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Trend Micro Worry-Free Business Security version 10.0 SP1 Trend Micro Worry-Free Business Security Services affected version...

PT-2021-23530

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Trend Micro Worry-Free Business Security 10.0 SP1 affected versions not specified Trend Micro Worry-Free Business Security...

Vulnerabilities fixed in Trend Micro Apex One

Vulnerabilities have been fixed in Trend Micro Apex One. A malicious party could potentially exploit the vulnerability to cause a Denial-of-Service or execute arbitrary code with SYSTEM privileges. Trend Micro has released updates to address the vulnerabilities fixes in Apex One. For more...

PT-2021-23531

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Trend Micro Worry-Free Business Security 10.0 SP1 affected versions not specified Trend Micro Worry-Free Business Security...

PT-2021-23529

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Description An uncontrolled search path element issue could allow a local attacker to escalate privileges on affected...

PT-2021-23527

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Description The issue is related to an uncontrolled search path element that could allow a local attacker to escalate...

PT-2021-23469

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Description The issue is related to an incorrect permission assignment, which could allow a local attacker to load a DLL wit...

PT-2021-23534

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One versions 10.0 SP1 Trend Micro Apex One as a Service versions 10.0 SP1 Trend Micro Worry-Free Business Security versions 10.0 SP1 Description The issue allows a local attacker to escalate privileges on affected installation...

PT-2021-23528

Name of the Vulnerable Software and Affected Versions Trend Micro Apex One affected versions not specified Trend Micro Apex One as a Service affected versions not specified Description An uncontrolled search path element vulnerability could allow a local attacker to escalate privileges on affecte...

Trend Micro Apex One Uncontrolled Search Path Element Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One Security Agent. 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...

Trend Micro Apex One Uncontrolled Search Path Element Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 configurati...

Trend Micro Apex One Unnecessary Privileges Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 Security...

Trend Micro Apex One Unnecessary Privileges Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 Security...

Trend Micro Apex One Unnecessary Privileges Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 Security...

Trend Micro Apex One Unnecessary Privileges Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 Web Console...

Trend Micro Apex One Uncontrolled Search Path Element Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 configurati...

Trend Micro Worry-Free Business Security Stack-based Buffer Overflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Worry-Free Business 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...

Trend Micro Apex One Incorrect Permission Assignment Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of Trend Micro Apex One. 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 ApexOne...