CVE-2024-40721 CHANGING Information Technology TCBServiSign Windows Version - Improper Input Validation

High 8.8 Published Updated

Attackers can force the application to load a malicious DLL from an arbitrary path via a spoofed website, leading to code execution.

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-2024-40721?

CVE-2024-40721 is a high-severity path traversal vulnerability in CHANGING Information Technology TCBServiSign Windows Version, published on 2 Aug 2024. 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

The specific API in TCBServiSign Windows Version from CHANGING Information Technology does not properly validate server-side input. When a user visits a spoofed website, unauthenticated remote attackers can cause the TCBServiSign to load a DLL from an arbitrary path.

Weakness: CWE-20

Which versions are affected by CVE-2024-40721?

It affects 1 product.

Products include Changingtec Tcb Servisign.

How do I fix CVE-2024-40721?

No fix has been published for CVE-2024-40721 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2024-40721 being exploited?

There is no known exploitation of CVE-2024-40721 in the wild and no public exploit code.

Sources

Also known as GHSA-f6q3-hjwj-2j45.

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