Multiple vulnerabilities in Trend Micro Antivirus for Mac

Published: 2020-10-27

Risk	Low
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-27015 CVE-2020-27014
CWE-ID	CWE-200 CWE-367
Exploitation vector	Local
Public exploit	N/A
Vulnerable software Subscribe	Antivirus for Mac Client/Desktop applications / Antivirus software/Personal firewalls
Vendor	Trend Micro

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU47935

Risk: Low

CVSSv3.1: 5.2 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27015

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to the error message that includes sensitive information within the KERedirect kext. A local administrator can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Antivirus for Mac: 2020 (v10.x)

External links

http://www.zerodayinitiative.com/advisories/ZDI-20-1286/
http://helpcenter.trendmicro.com/en-us/article/TMKA-09975

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.

2) Time-of-check Time-of-use (TOCTOU) Race Condition

EUVDB-ID: #VU47936

Risk: Low

CVSSv3.1: 7.1 [CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27014

CWE-ID: CWE-367 - Time-of-check Time-of-use (TOCTOU) Race Condition