SB2021101414 - Multiple vulnerabilities in Trend Micro Apex One



SB2021101414 - Multiple vulnerabilities in Trend Micro Apex One

Published: October 14, 2021 Updated: October 19, 2021

Security Bulletin ID SB2021101414
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 11
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 9% Low 91%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 11 vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2021-23139)

CWE-ID: CWE-476 - NULL Pointer Dereference

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the CGI interface. A remote attacker can send a specially crafted request to the application and perform a denial of service (DoS) attack.


2) Unquoted Search Path or Element (CVE-ID: CVE-2021-42101)

CWE-ID: CWE-428 - Unquoted Search Path or Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application allows inclusion of libraries from the current working directory. A local user can place a malicious binary file into a local directory on the system and execute arbitrary code with elevated privileges.


3) Execution with unnecessary privileges (CVE-ID: CVE-2021-42104)

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application performs certain unprivileged actions with elevated privileges. A local low-privileged user can abuse such behavior to execute arbitrary code with elevated privileges.


4) Execution with unnecessary privileges (CVE-ID: CVE-2021-42108)

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application performs certain unprivileged actions with elevated privileges. A local low-privileged user can abuse such behavior to execute arbitrary code with elevated privileges.


5) Unquoted Search Path or Element (CVE-ID: CVE-2021-42103)

CWE-ID: CWE-428 - Unquoted Search Path or Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application allows inclusion of libraries from the current working directory. A local user can place a malicious binary file into a local directory on the system and execute arbitrary code with elevated privileges.


6) Execution with unnecessary privileges (CVE-ID: CVE-2021-42105)

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application performs certain unprivileged actions with elevated privileges. A local low-privileged user can abuse such behavior to execute arbitrary code with elevated privileges.


7) Execution with unnecessary privileges (CVE-ID: CVE-2021-42106)

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application performs certain unprivileged actions with elevated privileges. A local low-privileged user can abuse such behavior to execute arbitrary code with elevated privileges.


8) Execution with unnecessary privileges (CVE-ID: CVE-2021-42107)

CWE-ID: CWE-250 - Execution with Unnecessary Privileges

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application performs certain unprivileged actions with elevated privileges. A local low-privileged user can abuse such behavior to execute arbitrary code with elevated privileges.


9) Unquoted Search Path or Element (CVE-ID: CVE-2021-42102)

CWE-ID: CWE-428 - Unquoted Search Path or Element

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to application allows inclusion of libraries from the current working directory. A local user can place a malicious binary file into a local directory on the system and execute arbitrary code with elevated privileges.


10) Incorrect Privilege Assignment (CVE-ID: CVE-2021-42011)

CWE-ID: CWE-266 - Incorrect Privilege Assignment

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to incorrect privilege assignment. A local user can load a specially crafted .dll file into the application and execute it with elevated privileges.


11) Stack-based buffer overflow (CVE-ID: CVE-2021-42012)

CWE-ID: CWE-121 - Stack-based buffer overflow

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


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

The vulnerability exists due to a boundary error. A local user can run a specially crafted program to trigger a stack-based buffer overflow and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.