CVE-2017-3196 Memory corruption in ASUS PCE-AC56 WLAN Card Utilities

High 7.8 Published Updated

Local attackers can execute arbitrary code with SYSTEM privileges via a crafted BPF program in the PCAUSA Rawether framework used by ASUS WLAN drivers.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-3196?

CVE-2017-3196 is a high-severity memory corruption vulnerability in Printing Communications Assoc., Inc. (PCAUSA) ASUS PCE-AC56 WLAN Card Utilities, published on 15 Dec 2017. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

PCAUSA Rawether framework does not properly validate BPF data, allowing a crafted malicious BPF program to perform operations on memory outside of its typical bounds on the driver's receipt of network packets. Local attackers can exploit this issue to execute arbitrary code with SYSTEM privileges.

Weakness: CWE-119

Which versions are affected by CVE-2017-3196?

It affects 1 product.

Products include Rawether Project Rawether.

How do I fix CVE-2017-3196?

No fix has been published for CVE-2017-3196 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-2017-3196 being exploited?

There is no known exploitation of CVE-2017-3196 in the wild and no public exploit code.

Sources

Also known as GHSA-vmc2-w35m-x95p.

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