Out-of-bounds Read in Tianocore Edk2
CVE-2023-45231
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.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.009 (56.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Tianocore Edk2 — versions edk2-stable202308
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h (vendor-advisory, Vendor Advisory)
- www.openwall.com/lists/oss-security/2024/01/16/2 (Mailing List)
- packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html (VDB Entry, Third Party Advisory)
- security.netapp.com/advisory/ntap-20240307-0011/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/…
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-45231?
- CVE-2023-45231 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-2023-45231?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2023-45231 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.