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6.8
CVE-2014-4859: Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access rest...
CVE-2014-4859 · published 6 years ago
Summary
Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| tianocore | edk2 |
All versions
cpe:2.3:a:tianocore:edk2:-:*:*:*:*:*:*:* |
Original advisory text
Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access rest...
Integer overflow in the Drive Execution Environment (DXE) phase in the Capsule Update feature in the UEFI implementation in EDK2 allows physically proximate attackers to bypass intended access restrictions via crafted data.
References
- http://www.kb.cert.org/vuls/id/552286 Third Party Advisory US Government Resource
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-190Integer Overflow
Timeline
Published31 Jan 2020
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2014-4859 · NVD
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