Buffer Over-Read Vulnerability in Lenovo Desktop Products
CVE-2023-43572

4.4MEDIUM

Key Information:

Vendor
Lenovo
Status
Desktop BiOS
Vendor
CVE Published:
8 November 2023

Summary

A buffer over-read issue was identified in the BiosExtensionLoader module of certain Lenovo Desktop products. This vulnerability could be exploited by a local attacker with elevated privileges, leading to the potential disclosure of sensitive information. Users are advised to review their systems and apply available security updates to mitigate the risk.

Affected Version(s)

Desktop BIOS various

References

https://support.lenovo.com/us/en/product_security/LEN-141775

CVSS V3.1

Score:
4.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Lenovo thanks Zichuan Li (@Ri7erLi) from Indiana University Bloomington for reporting this vulnerability.
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