CVE-2024-39334 Deserialization in n/a

Medium 6.5 Published Updated

A deserialization flaw in the MENDELSON AS4 client allows attackers to write files to the victim's computer via malicious XML data.

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-2024-39334?

CVE-2024-39334 is a medium-severity unsafe deserialization vulnerability in n/a, published on 23 Jun 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

MENDELSON AS4 before 2024 B376 has a client-side vulnerability when a trading partner provides prepared XML data. When a victim opens the details of this transaction in the client, files can be written to the computer on which the client process is running. (The server process is not affected.)

Weakness: CWE-502

Which versions are affected by CVE-2024-39334?

How do I fix CVE-2024-39334?

No fix has been published for CVE-2024-39334 yet. Limit exposure of the affected software until one is available.

Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.

Is CVE-2024-39334 being exploited?

There is no known exploitation of CVE-2024-39334 in the wild and no public exploit code.

Sources

Also known as GHSA-vxf3-94jj-jhmp.

Is CVE-2024-39334 in your software?

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