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CVE-2023-45234

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Date: January 16, 2024

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.

Language: C

Severity Score

Related Resources (7)

https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
https://nvd.nist.gov/vuln/detail/CVE-2023-45234
http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
http://www.openwall.com/lists/oss-security/2024/01/16/2
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
https://security.netapp.com/advisory/ntap-20240307-0011/
https://www.mend.io/vulnerability-database/CVE-2023-45234

Severity Score

Weakness Type (CWE)

Buffer Errors

CWE-119

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): HIGH

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