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8.8
HIGH CVSS 3.1
CVE-2023-45234
EDK2 DHCPv6 Advertise Message Buffer Overflow Vulnerability
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.

INFO

Published Date :

Jan. 16, 2024, 4:15 p.m.

Last Modified :

Feb. 13, 2025, 6:15 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2023-45234 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Tianocore edk2
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH [email protected]
Solution
This vulnerability can be remediated by updating the affected EDK2 and OVMF packages.
  • Update the affected EDK2 packages.
  • Update the affected OVMF packages.
Public PoC/Exploit Available at Github

CVE-2023-45234 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-45234.

URL Resource
http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2024/01/16/2 Mailing List
https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
https://security.netapp.com/advisory/ntap-20240307-0011/
http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html Third Party Advisory VDB Entry
http://www.openwall.com/lists/oss-security/2024/01/16/2 Mailing List
https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h Vendor Advisory
https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
https://security.netapp.com/advisory/ntap-20240307-0011/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-45234 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-45234 weaknesses.

CAPEC-8: Buffer Overflow in an API Call Buffer Overflow in an API Call CAPEC-9: Buffer Overflow in Local Command-Line Utilities Buffer Overflow in Local Command-Line Utilities CAPEC-10: Buffer Overflow via Environment Variables Buffer Overflow via Environment Variables CAPEC-14: Client-side Injection-induced Buffer Overflow Client-side Injection-induced Buffer Overflow CAPEC-24: Filter Failure through Buffer Overflow Filter Failure through Buffer Overflow CAPEC-42: MIME Conversion MIME Conversion CAPEC-44: Overflow Binary Resource File Overflow Binary Resource File CAPEC-45: Buffer Overflow via Symbolic Links Buffer Overflow via Symbolic Links CAPEC-46: Overflow Variables and Tags Overflow Variables and Tags CAPEC-47: Buffer Overflow via Parameter Expansion Buffer Overflow via Parameter Expansion CAPEC-100: Overflow Buffers Overflow Buffers CAPEC-123: Buffer Manipulation Buffer Manipulation

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
1490kdrm/vuln_BIOs

collection of BIOs across vendors that are vulnerable

Updated: 1 year, 2 months ago
0 stars 0 fork 0 watcher
Born at : June 1, 2024, 1:48 a.m. This repo has been linked 6 different CVEs too.
Profile Photo
quarkslab/pixiefail

PoC for PixieFail vulnerabilities

edk2 poc uefi vulnerability

Python

Updated: 3 months ago
23 stars 7 fork 7 watcher
Born at : Jan. 11, 2024, 2:57 p.m. This repo has been linked 7 different CVEs too.
Profile Photo
opencomputeproject/OCP-OSF-Aptio_Community_Edition

TianoCore/EDKII for UEFI implementation

C C++ Batchfile

Updated: 1 month, 2 weeks ago
149 stars 32 fork 32 watcher
Born at : March 12, 2021, 5:18 p.m. This repo has been linked 9 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-45234 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-45234 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Feb. 13, 2025

    Action Type Old Value New Value
    Changed 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. 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.
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
    Added Reference http://www.openwall.com/lists/oss-security/2024/01/16/2
    Added Reference https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
    Added Reference https://security.netapp.com/advisory/ntap-20240307-0011/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Mar. 13, 2024

    Action Type Old Value New Value
    Added Reference TianoCore.org https://lists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/ [No types assigned]
  • CVE Modified by [email protected]

    Mar. 07, 2024

    Action Type Old Value New Value
    Added Reference TianoCore.org https://security.netapp.com/advisory/ntap-20240307-0011/ [No types assigned]
  • Initial Analysis by [email protected]

    Jan. 23, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html No Types Assigned http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html Third Party Advisory, VDB Entry
    Changed Reference Type http://www.openwall.com/lists/oss-security/2024/01/16/2 No Types Assigned http://www.openwall.com/lists/oss-security/2024/01/16/2 Mailing List
    Changed Reference Type https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h No Types Assigned https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h Vendor Advisory
    Added CWE NIST CWE-119
    Added CPE Configuration OR *cpe:2.3:a:tianocore:edk2:*:*:*:*:*:*:*:* versions up to (including) 202311
  • CVE Modified by [email protected]

    Jan. 17, 2024

    Action Type Old Value New Value
    Added Reference TianoCore.org http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html [No types assigned]
  • CVE Modified by [email protected]

    Jan. 16, 2024

    Action Type Old Value New Value
    Added Reference TianoCore.org http://www.openwall.com/lists/oss-security/2024/01/16/2 [No types assigned]
  • CVE Received by [email protected]

    Jan. 16, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference TianoCore.org https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h [No types assigned]
    Added CWE TianoCore.org CWE-119
    Added CVSS V3.1 TianoCore.org AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 8.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.28 }} 0.06%

score

0.51251

percentile