Cyber Resilience

CVE-2023-7158

HighPublic PoC

Published: 29 December 2023

Published
29 December 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
EPSS Score 0.0024 48.1th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-7158 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Micropython Micropython. Its CVSS base score is 7.3 (High).

Operationally, ranked at the 48.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

A vulnerability was found in MicroPython up to 1.21.0. It has been classified as critical. Affected is the function slice_indices of the file objslice.c. The manipulation leads to heap-based buffer overflow. It is possible to launch the attack remotely. The…

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exploit has been disclosed to the public and may be used. Upgrading to version 1.22.0 is able to address this issue. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-249180.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

micropython
micropython
≤ 1.22.0

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-787

Out-of-bounds writes that corrupt control flow or inject shellcode are rendered non-executable by the same memory protections.

References