CVE-2023-45233: Infinite loop in EDK II Network Package
First published: Tue Jan 16 2024(Updated: )
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.
Credit: infosec@edk2.groups.io infosec@edk2.groups.io
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/edk2 | <=0~20181115.85588389-3+deb10u3<=2020.11-2+deb11u1<=2020.11-2+deb11u2<=2022.11-6 | 2022.11-6+deb12u1 2024.02-2 |
| ubuntu/edk2 | <0~20191122. | 0~20191122. |
| ubuntu/edk2 | <2022.02-3ubuntu0.22.04.2 | 2022.02-3ubuntu0.22.04.2 |
| ubuntu/edk2 | <2023.05-2ubuntu0.1 | 2023.05-2ubuntu0.1 |
| Tianocore EDK II | <=202311 |
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Reference Links
- http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html
- http://www.openwall.com/lists/oss-security/2024/01/16/2
- https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/
- https://security.netapp.com/advisory/ntap-20240307-0011/
- https://blog.quarkslab.com/pixiefail-nine-vulnerabilities-in-tianocores-edk-ii-ipv6-network-stack.html
- https://www.openwall.com/lists/oss-security/2024/01/16/2
- https://security-tracker.debian.org/tracker/CVE-2023-45233
- https://launchpad.net/bugs/cve/CVE-2023-45233
- https://ubuntu.com/security/notices/USN-6638-1
- https://www.cve.org/CVERecord?id=CVE-2023-45233
- https://nvd.nist.gov/vuln/detail/CVE-2023-45233
- https://ubuntu.com/security/CVE-2023-45233
- https://github.com/advisories/GHSA-p9h6-p7cr-7842
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2258695
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2258696
- https://access.redhat.com/errata/RHSA-2024:2264
- https://access.redhat.com/errata/RHSA-2024:3017
- https://access.redhat.com/errata/RHSA-2024:8104
- https://bugzilla.redhat.com/show_bug.cgi?id=2258694
Frequently Asked Questions
What is the severity of CVE-2023-45233?
CVE-2023-45233 has a high severity level due to the risk of an infinite loop vulnerability which can lead to a loss of availability.
How do I fix CVE-2023-45233?
To fix CVE-2023-45233, upgrade to the appropriate patched version of the EDK2 package as specified for your operating system.
What systems are affected by CVE-2023-45233?
CVE-2023-45233 affects various versions of the EDK2 package on Ubuntu and Debian systems.
What could an attacker exploit using CVE-2023-45233?
An attacker could exploit CVE-2023-45233 to create an infinite loop, leading to system unavailability and potential unauthorized access.
Is there a common workaround for CVE-2023-45233?
There are no known workarounds for CVE-2023-45233; the recommended action is to apply the provided updates.
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