Buffer Overflow Vulnerability in Lenovo Desktop and ThinkStation SecureBootDXE BIOS Driver
CVE-2022-48188

6.7MEDIUM

Key Information:

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

Summary

A buffer overflow vulnerability has been identified in the SecureBootDXE BIOS driver of certain Lenovo Desktop and ThinkStation models. This flaw can be exploited by an attacker with local access, allowing them to elevate their privileges and execute arbitrary code, potentially compromising system integrity. Users of the affected devices should take immediate action to mitigate risks associated with this vulnerability by applying the latest security updates provided by Lenovo.

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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