Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tianocore | Edk2 | <= 202311 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.htmlThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2024/01/16/2Mailing List
- https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7hVendor Advisory
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://security.netapp.com/advisory/ntap-20240307-0011/
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.htmlThird Party AdvisoryVDB Entry
- http://www.openwall.com/lists/oss-security/2024/01/16/2Mailing List
- https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7hVendor Advisory
- https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
- https://lists.fedoraproject.org/archives/list/[email protected]
- https://security.netapp.com/advisory/ntap-20240307-0011/
- https://www.kb.cert.org/vuls/id/132380
FAQ
What is CVE-2023-45234?
CVE-2023-45234 is a vulnerability with a CVSS score of 8.3 (HIGH). 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...
How severe is CVE-2023-45234?
CVE-2023-45234 has been rated HIGH with a CVSS base score of 8.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-45234?
Check the references section above for vendor advisories and patch information. Affected products include: Tianocore Edk2.