Buffer Overflow Vulnerability in ThinkPad BIOS by Lenovo
CVE-2022-48181

6.7MEDIUM

Key Information:

Vendor
Lenovo
Status
Thinkstation BiOS
Vendor
CVE Published:
5 June 2023

Summary

A stack-based buffer overflow vulnerability in the ErrorMessage driver of the BIOS in select Lenovo ThinkPad models allows an attacker with local access to gain elevated privileges, potentially leading to the execution of arbitrary code. This poses significant security risks, making it crucial for users to apply the necessary patches and updates to safeguard their systems.

Affected Version(s)

ThinkStation BIOS various

References

https://support.lenovo.com/us/en/product_security/LEN-124495

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 River Li and Fangtao Cao for reporting this issue.
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