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CVE-2023-45234

HIGH
Published 2024-01-16T16:14:28.209Z
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CVSS Score

V3.1
8.3
/10
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.002
probability
of exploitation in the wild

There is a 0.2% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.475
Higher than 47.5% of all CVEs

Attack Vector Metrics

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
LOW
Availability
HIGH

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

TianoCore

edk2

Affected Versions:

edk2-stable202308

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed HIGH

GHSA-mrjv-p9q7-rxgr

Advisory Details

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 Scoring

CVSS Score

7.5

CVSS Vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H

References

WEB https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-45234
WEB https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ
WEB https://security.netapp.com/advisory/ntap-20240307-0011
WEB http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
WEB http://www.openwall.com/lists/oss-security/2024/01/16/2

Advisory provided by GitHub Security Advisory Database. Published: January 16, 2024, Modified: February 13, 2025

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/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
Published: 2024-01-16T16:14:28.209Z
Last Modified: 2025-02-13T17:13:56.182Z
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