An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. A stack buffer overflow leads to arbitrary code execution in the SetupUtility driver on Intel platforms. An attacker can change the values of certain UEFI variables. If the size of the second variable exceeds the size of the first, then the buffer will be overwritten. This issue affects the SetupUtility driver of InsydeH2O.
Published 2022-11-22 02:15:09
Updated 2022-11-30 18:23:53
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowMemory Corruption

Exploit prediction scoring system (EPSS) score for CVE-2022-35407

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 13 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-35407

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
1.8
5.9
NIST

CWE ids for CVE-2022-35407

  • The product writes data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-35407

Products affected by CVE-2022-35407

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