CVE-2017-5731 Privilege escalation in Tianocore

High 7.8 Published Updated

An authenticated local attacker can exploit bounds checking flaws in Tianocore firmware to escalate privileges.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2017-5731?

CVE-2017-5731 is a high-severity vulnerability in Tianocore, published on 28 Oct 2019. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Bounds checking in Tianocompress before November 7, 2017 may allow an authenticated user to potentially enable an escalation of privilege via local access.

Weakness: CWE-119

Which versions are affected by CVE-2017-5731?

It affects 1 product.

Products include Tianocore Edk2.

How do I fix CVE-2017-5731?

Apply the vendor's patch.

Is CVE-2017-5731 being exploited?

There is no known exploitation of CVE-2017-5731 in the wild and no public exploit code.

Sources

Also known as UBUNTU-CVE-2017-5731.

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