In CPUID CPU-Z before 1.43, there is an arbitrary memory write that results directly in elevation of privileges, because any program running on the local machine (while CPU-Z is running) can issue an ioctl 0x9C402430 call to the kernel-mode driver (e.g., cpuz141_x64.sys for version 1.41).
Published 2017-10-16 01:29:01
Updated 2017-11-07 18:18:51
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2017-15303

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 10 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2017-15303

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.3
MEDIUM AV:L/AC:L/Au:S/C:P/I:P/A:P
3.1
6.4
NIST
7.8
HIGH CVSS:3.0/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-2017-15303

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

References for CVE-2017-15303

Products affected by CVE-2017-15303

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