SB2022120544 - Arbitray file deletion vulnerability in Trend Micro Apex One

Description

This security bulletin contains information about 2 vulnerabilities.

1) Absolute Path Traversal (CVE-ID: CVE-2022-45797)

CWE-ID: CWE-36 - Absolute Path Traversal

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

The vulnerability allows a local user to delete arbitrary files on the system.

The vulnerability exists due to an error within the Damage Cleanup Engine component. A local user can delete arbitrary files on the system.

2) Link following (CVE-ID: CVE-2022-45798)

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:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear

The vulnerability allows a local user to delete arbitrary files on the system.

The vulnerability exists due to insecure symlink following issue in the Damage Cleanup Engine component. A local user can create a specially crafted symbolic link to a critical file on the system and delete it.

Remediation

Install update from vendor's website.

References

• https://success.trendmicro.com/dcx/s/solution/000291830?language=en_US
• https://i.blackhat.com/EU-22/Wednesday-Briefings/EU-22-Yair-Aikido-Turning-EDRs-to-Malicious-Wipers.pdf
• https://www.zerodayinitiative.com/advisories/ZDI-22-1665/