CVE-2023-45234
Buffer Overflow in EDK II Network Package
- State
- Published
- Severity
- 8.3 High
- Published
- Jan 16, 2024
- Updated
- Nov 4, 2025
- Reserved
- Oct 5, 2023
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 8.3 High | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H | TianoCore |
Weaknesses
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Affected Products
| Product | Versions |
|---|---|
edk2TianoCore |
|
References
- https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7hvendor-advisory
- http://www.openwall.com/lists/oss-security/2024/01/16/2
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
- https://security.netapp.com/advisory/ntap-20240307-0011/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
- https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html
- https://www.kb.cert.org/vuls/id/132380
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