Buffer Over-Read Vulnerability in Lenovo ThinkPad BIOS Driver
CVE-2022-4432

6.7MEDIUM

Key Information:

Vendor
Lenovo
Status
Thinkpad X13s
Vendor
CVE Published:
5 January 2023

Summary

A buffer over-read vulnerability has been identified in the BIOS PersistenceConfigDxe driver of the Lenovo ThinkPadX13s. This flaw could potentially enable local attackers with elevated privileges to exploit the vulnerability and gain unauthorized access to sensitive information, raising significant security concerns for users of this device.

Affected Version(s)

ThinkPad X13s Versions prior to 1.47

References

https://support.lenovo.com/us/en/product_security/LEN-103709

CVSS V3.1

Score:
6.7
Severity:
MEDIUM
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lenovo thanks BINARLY efiXplorer team for reporting these issues.
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