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CVE-2023-45233

7.5 · HIGH

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6.

Published Jan 16, 2024CWE-835EPSS 2.08%

Overview

CVE-2023-45233 is a high-severity vulnerability. It was published on January 16, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This

vulnerability can be exploited by an attacker to gain unauthorized

access and potentially lead to a loss of Availability.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.htmlRefwww.openwall.com/lists/oss-security/2024/01/16/2GitHubgithub.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7hReflists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/Refsecurity.netapp.com/advisory/ntap-20240307-0011/Refpacketstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.htmlRefwww.openwall.com/lists/oss-security/2024/01/16/2GitHubgithub.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7hReflists.debian.org/debian-lts-announce/2025/06/msg00007.htmlReflists.fedoraproject.org/archives/list/[email protected]/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/

How CyberStrike helps

Frequently asked questions

What is CVE-2023-45233?

CVE-2023-45233 is a high-severity vulnerability. It was published on January 16, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-45233?

This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2023-45233?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-45233?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-45233 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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