high
8.8
CWE
119
Advisory Published
CVE Published
Updated

CVE-2023-45235: Buffer Overflow in EDK II Network Package

First published: Tue Jan 16 2024(Updated: )

EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy 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.

Credit: infosec@edk2.groups.io infosec@edk2.groups.io

Affected SoftwareAffected VersionHow to fix
Tianocore EDK II
ubuntu/edk2<2023.05-2ubuntu0.1
2023.05-2ubuntu0.1
ubuntu/edk2<0~20191122.
0~20191122.
ubuntu/edk2<2022.02-3ubuntu0.22.04.2
2022.02-3ubuntu0.22.04.2
Tianocore EDK2<=202311
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
<=202311

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Parent vulnerabilities

(Appears in the following advisories)

Peer vulnerabilities

(Found alongside the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of CVE-2023-45235?

    CVE-2023-45235 has a high severity due to its potential to allow unauthorized access and data loss.

  • How do I fix CVE-2023-45235?

    To fix CVE-2023-45235, update EDK II to the latest version that addresses this vulnerability.

  • What type of vulnerability is CVE-2023-45235?

    CVE-2023-45235 is a buffer overflow vulnerability related to DHCPv6 proxy Advertise message handling.

  • How can CVE-2023-45235 be exploited?

    CVE-2023-45235 can be exploited by an attacker manipulating DHCPv6 messages to gain unauthorized access.

  • What software is affected by CVE-2023-45235?

    CVE-2023-45235 affects various versions of Tianocore's EDK II on multiple platforms including Ubuntu and Debian.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203