CVE-2022-1890: lenovo bios Heap-based Buffer Overflow

Vulnerability summary

CVE-2022-1890 is a high (CVSS 7.8) Heap-based Buffer Overflow vulnerability in lenovo bios. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.2% of scored vulnerabilities.

Timeline

1. 23-01-2023
   PublishedVulnerability first disclosed.
2. 01-04-2025
   Last modifiedVulnerability information updated.

Description

A buffer overflow in the ReadyBootDxe driver in some Lenovo Notebook products may allow an attacker with local privileges to execute arbitrary code.

• CWE-122Heap-based Buffer OverflowA heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
• CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.