VulnerabilityModified
CVE-2023-45234
EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message.
HIGH 8.8EPSS 1.20%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.20%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.20% probability · 66th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119
- Affected
- tianocore/edk2
- Source
- infosec@edk2.groups.io
References
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.htmlThird Party Advisory, VDB 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/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
- https://security.netapp.com/advisory/ntap-20240307-0011/
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.htmlThird Party Advisory, VDB 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/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
- https://security.netapp.com/advisory/ntap-20240307-0011/
- https://www.kb.cert.org/vuls/id/132380
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.