CVE-2023-45231: Out-of-Bounds Read in EDK II Network Package

Vulnerability summary

CVE-2023-45231 is a medium (CVSS 6.5) Out-of-bounds Read vulnerability in tianocore edk2. EPSS estimates a 0.85% chance of exploitation in the next 30 days, higher than 58.1% of scored vulnerabilities.

Timeline

1. 16-01-2024
   PublishedVulnerability first disclosed.
2. 04-11-2025
   Last modifiedVulnerability information updated.

Description

EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing  Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.

• CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.