Vulnerability Details : CVE-2023-7152

A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.
Published 2023-12-29 05:15:09
Updated 2024-05-17 02:34:14
Source VulDB
View at NVD,   CVE.org
Vulnerability category: Memory Corruption

Products affected by CVE-2023-7152

Exploit prediction scoring system (EPSS) score for CVE-2023-7152

EPSS FAQ
0.49%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 76 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-7152

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.2
 MEDIUM AV:A/AC:L/Au:S/C:P/I:P/A:P
5.1
6.4
 VulDB
5.5
 MEDIUM CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
2.1
3.4
 VulDB
9.8
 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.9
5.9
 NIST 2024-01-05

CWE ids for CVE-2023-7152

  • The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.
    Assigned by: cna@vuldb.com (Primary)

References for CVE-2023-7152

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