Buffer Over-read Vulnerability in ThinkPadX13s BIOS Driver by Lenovo
CVE-2022-4434

6.7MEDIUM

Key Information:

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

Summary

A buffer over-read vulnerability exists in the BIOS driver of Lenovo's ThinkPadX13s. This flaw may enable a local attacker with elevated privileges to access sensitive information, potentially leading to unauthorized data exposure. Addressing this vulnerability is critical for maintaining data integrity and protecting against security risks associated with elevated access.

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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