SB2024011639 - Privilege escalation in Trend Micro Deep Security

Description

This security bulletin contains information about 2 vulnerabilities.

1) Improper access control (CVE-ID: CVE-2023-52337)

CWE-ID: CWE-284 - Improper Access Control

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 improper access restrictions. A local user can bypass implemented security restrictions and escalate privileges on the system.

2) Link following (CVE-ID: CVE-2023-52338)

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

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 symlink following issue. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.

Successful exploitation of this vulnerability may result in privilege escalation.

Remediation

Install update from vendor's website.

References

• https://success.trendmicro.com/dcx/s/solution/000296337?language=en_US
• https://www.zerodayinitiative.com/advisories/ZDI-24-075/
• https://www.zerodayinitiative.com/advisories/ZDI-24-076/