Out-of-bounds Read in Tianocore Edk2
CVE-2023-45229
EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing the IA_NA or IA_TA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality.
Vulnerability class: Buffer Overflow
EPSS: 0.009 (57.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
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, Third Party Advisory)
- infosec@edk2.groups.io (VDB Entry, Third Party Advisory)
- infosec@edk2.groups.io
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-45229?
- CVE-2023-45229 is a medium-severity vulnerability in Tianocore Edk2, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2024-01-16.
- How severe is CVE-2023-45229?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-45229 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.