CVE-2023-48387 TAIWAN-CA(TWCA) JCICSecurityTool - Improper Input Validation

High 8.8 Published Updated

Attackers can achieve remote code execution by tricking users into visiting malicious sites that exploit improper input validation in registry functions.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2023-48387?

CVE-2023-48387 is a high-severity vulnerability in TAIWAN-CA(TWCA) JCICSecurityTool, published on 15 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

TAIWAN-CA(TWCA) JCICSecurityTool fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.

Weakness: CWE-940

Which versions are affected by CVE-2023-48387?

It affects 1 product.

Products include Twca Jcicsecuritytool.

How do I fix CVE-2023-48387?

No fix has been published for CVE-2023-48387 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-48387 being exploited?

There is no known exploitation of CVE-2023-48387 in the wild and no public exploit code.

Sources

Also known as GHSA-g7qw-4p9h-v9vx.

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