CVE-2024-45203 Open redirect in "@cosme" App for Android

Medium 4.3 Published Updated

An attacker can redirect users to arbitrary websites via a custom URL scheme, facilitating phishing attacks in the Cosme mobile app.

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-2024-45203?

CVE-2024-45203 is a medium-severity vulnerability in istyle Inc. "@cosme" App for Android, published on 9 Sep 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

Improper authorization in handler for custom URL scheme issue in "@cosme" App for Android versions prior 5.69.0 and "@cosme" App for iOS versions prior to 6.74.0 allows an attacker to lead a user to access an arbitrary website via the vulnerable App. As a result, the user may become a victim of a phishing attack.

Weakness: CWE-939

Which versions are affected by CVE-2024-45203?

It affects 1 product.

Products include Istyle \@Cosme.

How do I fix CVE-2024-45203?

No fix has been published for CVE-2024-45203 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-45203 being exploited?

There is no known exploitation of CVE-2024-45203 in the wild and no public exploit code.

Sources

Also known as GHSA-499r-h8wp-rfvm.

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