CVE-2023-45234

Summary

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.

Affected Software

Weaknesses

• CWE-119: CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
• 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

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
• 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/

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