CVE-2023-45237 Use of a Weak PseudoRandom Number Generator in EDK II Network Package
Attackers can predict TCP Initial Sequence Numbers in EDK II Network Package, enabling unauthorized access and confidentiality loss.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-45237?
CVE-2023-45237 is a medium-severity vulnerability in TianoCore edk2, published on 16 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
EDK2's Network Package is susceptible to a predictable TCP Initial Sequence Number. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.
Weakness: CWE-338
Which versions are affected by CVE-2023-45237?
It affects 1 product.
Products include Tianocore Edk2.
How do I fix CVE-2023-45237?
Apply the vendor's patch.
Is CVE-2023-45237 being exploited?
There is no known exploitation of CVE-2023-45237 in the wild and no public exploit code.
Other vulnerabilities in TianoCore edk2
Sources
Also known as AZL-38164, AZL-39220, AZL-39541, BELL-CVE-2023-45237, DEBIAN-CVE-2023-45237, GHSA-fxqf-p2p3-gxvr and 2 more.