CVE-2019-20893 Memory corruption in n/a

Critical 9.8 Published Updated

A buffer overflow in Call of Duty Modern Warfare allows remote attackers to execute arbitrary code via a crafted joinParty packet.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2019-20893?

CVE-2019-20893 is a critical memory corruption vulnerability in n/a, published on 30 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Activision Infinity Ward Call of Duty Modern Warfare 2 through 2019-12-11. PartyHost_HandleJoinPartyRequest has a buffer overflow vulnerability and can be exploited by using a crafted joinParty packet. This can be utilized to conduct arbitrary code execution on a victim's machine.

Weakness: CWE-120

Which versions are affected by CVE-2019-20893?

It affects 1 product.

Products include Activision Call of Duty Modern Warfare 2.

How do I fix CVE-2019-20893?

No fix has been published for CVE-2019-20893 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2019-20893 being exploited?

There is no known exploitation of CVE-2019-20893 in the wild and no public exploit code.

Sources

Also known as GHSA-w526-pr9q-g5j8.

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