Multiple vulnerabilities in Trend Micro Apex One

1) Insecure DLL loading

EUVDB-ID: #VU72092

Risk: High

CVSSv3.1: 7.2 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25143

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

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to the application loads DLL libraries in an insecure manner in the Trend Micro Apex One Server installer. A remote attacker can place a specially crafted .dll file on a remote SMB fileshare, trick the victim into launching the installer file and execute arbitrary code on victim's system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: 2019 - SP1 b11561

External links

http://success.trendmicro.com/dcx/s/solution/000292209?language=en_US

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Improper access control

EUVDB-ID: #VU72093

Risk: Low

CVSSv3.1: 6.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25144

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to improper access restrictions in the Trend Micro Apex One agent. A local user can create arbitrary directories with arbitrary ownership and escalate privileges on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: 2019 - SP1 b11561

External links

http://success.trendmicro.com/dcx/s/solution/000292209?language=en_US
http://www.zerodayinitiative.com/advisories/ZDI-23-171/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Link following

EUVDB-ID: #VU72094

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25145

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure link following within the NT Apex One RealTime Scan Service. A local user can create a specially crafted link to a critical file on the system and escalate privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: 2019 - SP1 b11561

External links

http://success.trendmicro.com/dcx/s/solution/000292209?language=en_US
http://www.zerodayinitiative.com/advisories/ZDI-23-174/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Link following

EUVDB-ID: #VU72095

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25146

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure link following within the Apex One NT RealTime Scan service. A local user can create a specially crafted link to a critical file on the system and escalate privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: 2019 - SP1 b11561

External links

http://success.trendmicro.com/dcx/s/solution/000292209?language=en_US
http://www.zerodayinitiative.com/advisories/ZDI-23-172/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Insufficient verification of data authenticity

EUVDB-ID: #VU72096

Risk: Low

CVSSv3.1: 5.8 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25147

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insufficient verification of data authenticity. A local user with administrative privileges can inject a specially crafted .DLL file during the update process.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: 2019 - SP1 b11561

External links

http://success.trendmicro.com/dcx/s/solution/000292209?language=en_US

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

6) Link following

EUVDB-ID: #VU72097

Risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-25148

CWE-ID: CWE-59 - Improper Link Resolution Before File Access ('Link Following')

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to insecure link following in the security agent. A local user can create a specially crafted link to a critical file on the system and escalate privileges.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apex One: 2019 - SP1 b11561

External links

http://success.trendmicro.com/dcx/s/solution/000292209?language=en_US
http://www.zerodayinitiative.com/advisories/ZDI-23-173/

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.