SB2020101508 - Multiple vulnerabilities in Trend Micro Antivirus for Mac

Description

This security bulletin contains information about 2 vulnerabilities.

1) Security Features (CVE-ID: CVE-2020-25777)

CWE-ID: CWE-254 - Security Features

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

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to improper filtering of HTTP requests within the KERedirect module. A remote attacker can trick a victim to open a specially crafted file or visit a malicous page and bypass the protection offered by the product. 

2) Information disclosure (CVE-ID: CVE-2020-25778)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

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

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application within the KERedirect kext. A local administrator can gain unauthorized access to sensitive information on the system.

Remediation

Install update from vendor's website.

References

• https://helpcenter.trendmicro.com/en-us/article/TMKA-09947
• https://www.zerodayinitiative.com/advisories/ZDI-20-1242/
• https://helpcenter.trendmicro.com/en-us/article/TMKA-09948
• https://www.zerodayinitiative.com/advisories/ZDI-20-1241/