CVE-2023-45231 Out-of-Bounds Read in EDK II Network Package

Medium 6.5 Published Updated

An out-of-bounds read in EDK II Network Package allows attackers to gain unauthorized access and compromise confidentiality via Neighbor Discovery Redirect messages.

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

What is CVE-2023-45231?

CVE-2023-45231 is a medium-severity vulnerability in TianoCore edk2, published on 16 Jan 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

Weakness: CWE-125

Which versions are affected by CVE-2023-45231?

It affects 1 product.

Products include Tianocore Edk2.

How do I fix CVE-2023-45231?

Apply the vendor's patch.

Is CVE-2023-45231 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-45231 exists.

Sources

Also known as AZL-38242, AZL-39337, AZL-39562, BELL-CVE-2023-45231, DEBIAN-CVE-2023-45231, GHSA-pr27-mhpp-2ccr and 1 more.

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