CVE-2023-45235
Buffer Overflow in EDK II Network Package
8.3CVSSHIGH
Description
EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy 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 Vector Breakdown
Exploitability
AV:AAttack VectorAdjacent
AC:LAttack ComplexityLow
PR:NPrivileges RequiredNone
UI:NUser InteractionNone
Scope
S:UScopeUnchanged
Impact
C:HConfidentialityHigh
I:LIntegrityLow
A:HAvailabilityHigh
Weaknesses
Affected Products
and 1 more affected products View all →
Attack Graph
Products CVE Techniques Tactics
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Exploitability
2 exploit sources identified
Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.
View exploit details Official Patch Available
MITRE ATT&CK
2 techniques Initial Access
Privilege Escalation
References
https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
github.com
http://www.openwall.com/lists/oss-security/2024/01/16/2
openwall.com
http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
packetstormsecurity.com
and 49 more references View all →
Timeline
Published
Jan 16, 2024
Last Updated
Nov 4, 2025
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