CVE-2023-45235
Buffer Overflow in EDK II Network Package
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
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.
EDK2's Network Package es susceptible a una vulnerabilidad de desbordamiento de búfer cuando maneja la opción de ID del servidor desde un mensaje de publicidad del proxy DHCPv6. Un atacante puede aprovechar esta vulnerabilidad para obtener acceso no autorizado y potencialmente provocar una pérdida de confidencialidad, integridad y/o disponibilidad.
A security flaw involving buffer overflow was identified in EDK2, the open-source reference implementation of the UEFI specification. This vulnerability enables an unauthorized attacker within the vicinity network to transmit a specifically crafted DHCPv6 proxy Advertise message, resulting in the disclosure of information and potential compromise of system availability.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2023-10-05 CVE Reserved
- 2024-01-16 CVE Published
- 2024-01-24 EPSS Updated
- 2024-08-02 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CAPEC
- CAPEC-540: Overread Buffers
References (7)
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h | 2024-03-13 | |
| https://access.redhat.com/security/cve/CVE-2023-45235 | 2024-10-24 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2258700 | 2024-10-24 |