#VU56145 Link following in Trend Micro Security (Consumer) - CVE-2021-36744

Vulnerability identifier: #VU56145

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-36744

CWE-ID: CWE-59

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Trend Micro Security (Consumer)
Client/Desktop applications / Software for system administration

Vendor: Trend Micro

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to incorrect processing of symbolic links to directories. A local user can create a specially crafted link and perform a denial of service (DoS) attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Trend Micro Security (Consumer): 15 - 17.2

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External links
https://helpcenter.trendmicro.com/en-us/article/TMKA-10568

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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.