Vulnerability Details : CVE-2023-45235

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.
Published 2024-01-16 16:15:13
Updated 2025-02-13 18:15:31
Source TianoCore.org
View at NVD,   CVE.org
Vulnerability category: OverflowBypass

Products affected by CVE-2023-45235

Exploit prediction scoring system (EPSS) score for CVE-2023-45235

EPSS FAQ
0.22%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 45 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-45235

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
8.3
 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H
2.8
5.5
 TianoCore.org 2024-01-16
8.8
 HIGH CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.8
5.9
 NIST 2024-01-23

CWE ids for CVE-2023-45235

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by:
    • infosec@edk2.groups.io (Secondary)
    • nvd@nist.gov (Primary)

References for CVE-2023-45235

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