Sensitive information disclosure via buffer over-read
Published Nov 8, 2023 · Updated Sep 3, 2024
Buffer over-read in Lenovo Desktop BIOS allows local users with elevated privileges to disclose sensitive information. The LEMALLDriversConnectedEventHook module reads beyond the intended buffer boundary, exposing adjacent memory contents. Exploitation requires elevated local privileges; Lenovo has not published the triggering input or the specific data exposed.
Summary
What happened
Buffer over-read in Lenovo Desktop BIOS allows local users with elevated privileges to disclose sensitive information. The LEMALLDriversConnectedEventHook module reads beyond the intended buffer boundary, exposing adjacent memory contents. Exploitation requires elevated local privileges; Lenovo has not published the triggering input or the specific data exposed.
The record
- CVE
- CVE-2023-43574
- Published
- Nov 8, 2023
- Updated
- Sep 3, 2024
- Vendor
- Unknown vendor
- Product
- Unknown product
- Classifications
- CWE-126
- Attack vector
- local
- Privileges
- admin
Timeline
How it unfolded
- Nov 8, 2023CVE publishedPublication date reported by the CVE source.
- Sep 3, 2024Record updatedLatest update available in the CVE record.
Exploitability
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What is affected?
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Published CVSS scores
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Attacks
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Weakness, pattern, technique
Public exploit references
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Technologies
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