Buffer overflow in Tianocore Edk2
CVE-2023-45234
EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially l…
Vulnerability class: Buffer Overflow
EPSS: 0.012 (64.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.3 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H.
Affected products
- Tianocore Edk2 — versions edk2-stable202308
Weakness classification (CWE)
Public proof-of-concept exploits
References
- infosec@edk2.groups.io (vendor-advisory, Vendor Advisory)
- infosec@edk2.groups.io (Mailing List)
- infosec@edk2.groups.io (VDB Entry, Third Party Advisory)
- infosec@edk2.groups.io
- infosec@edk2.groups.io
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-45234?
- CVE-2023-45234 is a high-severity vulnerability in Tianocore Edk2, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.3/10. Published 2024-01-16.
- How severe is CVE-2023-45234?
- High severity. CVSS v3 base score is 8.3 out of 10.
- Is CVE-2023-45234 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.