Memory Leakage Vulnerability in Lenovo 534D0740 DXE Driver
CVE-2023-45077

6.7MEDIUM

Key Information:

Vendor

Lenovo
Status
BiOS
Vendor
CVE Published:
8 November 2023

What is CVE-2023-45077?

A vulnerability has been identified in the Lenovo 534D0740 DXE driver, characterized by memory leakage. This flaw could enable a local attacker with elevated privileges to gain unauthorized access to NVRAM variables. Exploiting this vulnerability may lead to potential manipulation of sensitive system settings and compromise system integrity.

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Deploy the Patch

Affected Version(s)

BIOS various

References

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

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 Souhardya Sardar of Cyberstanc for reporting this issue.
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