### [CVE-2023-45234](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-45234)
![](https://img.shields.io/static/v1?label=Product&message=edk2&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20edk2-stable202308%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-119%20Improper%20Restriction%20of%20Operations%20within%20the%20Bounds%20of%20a%20Memory%20Buffer&color=brighgreen)

### Description

 EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability.

### POC

#### Reference
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html

#### Github
- https://github.com/1490kdrm/vuln_BIOs
- https://github.com/fkie-cad/nvd-json-data-feeds
- https://github.com/quarkslab/pixiefail