Multiple vulnerabilities in Trend Micro Antivirus for Mac



Published: 2020-10-15
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE ID CVE-2020-25777
CVE-2020-25778
CWE ID CWE-254
CWE-200
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Antivirus for Mac
Client/Desktop applications / Antivirus software/Personal firewalls

Vendor Trend Micro

Security Advisory

1) Security Features

Risk: Medium

CVSSv3: 4.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-25777

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

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. 

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Antivirus for Mac: 2019 (v9.x)

CPE External links

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

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

Risk: Low

CVSSv3: 3.9 [CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-25778

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 excessive data output by the application 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: 2019 (v9.x)

CPE External links

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

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.