Vulnerability · Published May 14, 2024 · Assigned by Phoenix
CVE-2024-0762Potential buffer overflow when handling UEFI variables
High 7.5
In plain English
A high-severity buffer overflow in SecureCore™ for Intel Alder Lake from Phoenix. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 55% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.
Official description
Potential buffer overflow in unsafe UEFI variable handling in Phoenix SecureCore™ for select Intel platforms This issue affects: Phoenix SecureCore™ for Intel Kaby Lake: from 4.0.1.1 before 4.0.1.998; Phoenix SecureCore™ for Intel Coffee Lake: from 4.1.0.1 before 4.1.0.562; Phoenix SecureCore™ for Intel Ice Lake: from 4.2.0.1 before 4.2.0.323; Phoenix SecureCore™ for Intel Comet Lake: from 4.2.1.1 before 4.2.1.287; Phoenix SecureCore™ for Intel Tiger Lake: from 4.3.0.1 before 4.3.0.236; Phoenix SecureCore™ for Intel Jasper Lake: from 4.3.1.1 before 4.3.1.184; Phoenix SecureCore™ for Intel Alder Lake: from 4.4.0.1 before 4.4.0.269; Phoenix SecureCore™ for Intel Raptor Lake: from 4.5.0.1 before 4.5.0.218; Phoenix SecureCore™ for Intel Meteor Lake: from 4.5.1.1 before 4.5.1.15.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Phoenix | SecureCore™ for Intel Kaby Lake | 4.0.1.1 – before 4.0.1.998 |
| Phoenix | SecureCore™ for Intel Coffee Lake | 4.1.0.1 – before 4.1.0.562 |
| Phoenix | SecureCore™ for Intel Ice Lake | 4.2.0.1 – before 4.2.0.323 |
| Phoenix | SecureCore™ for Intel Comet Lake | 4.2.1.1 – before 4.2.1.287 |
| Phoenix | SecureCore™ for Intel Tiger Lake | 4.3.0.1 – before 4.3.0.236 |
| Phoenix | SecureCore™ for Intel Jasper Lake | 4.3.1.1 – before 4.3.1.184 |
| Phoenix | SecureCore™ for Intel Alder Lake | 4.4.0.1 – before 4.4.0.269 |
| Phoenix | SecureCore™ for Intel Raptor Lake | 4.5.0.1 – before 4.5.0.218 |
| Phoenix | SecureCore™ for Intel Meteor Lake | 4.5.1.1 – before 4.5.1.15 |
Weakness: CWE-120 · Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
References
- https://phoenixtech.com/phoenix-security-notifications/CVE-2024-0762/
- https://eclypsium.com/blog/ueficanhazbufferoverflow-widespread-impact-from-vulnerability-in-popular-pc-and-server-firmware/
- https://news.ycombinator.com/item?id=40747852
- https://www.phoenix.com/security-notifications/cve-2024-0762/ x_transferred