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CVE-2024-8947

UNKNOWN
Published 2024-09-17T18:31:06.916Z
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CVSS Score

V3.1
5.6
/10
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.001
probability
of exploitation in the wild

There is a 0.1% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.483
Higher than 48.3% of all CVEs

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
Not Available

Description

A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use after free. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.23.0 is able to address this issue. The identifier of the patch is 4bed614e707c0644c06e117f848fa12605c711cd. It is recommended to upgrade the affected component. In micropython objarray component, when a bytes object is resized and copied into itself, it may reference memory that has already been freed.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

micropython

micropython

Affected Versions:

1.22.2

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

Use After Free in MicroPython

GHSA-pwwp-3q7j-9mx8

Advisory Details

A vulnerability was found in MicroPython 1.22.2. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the file py/objarray.c. The manipulation leads to use after free. The attack can be launched remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. Upgrading to version 1.23.0 is able to address this issue. The identifier of the patch is 4bed614e707c0644c06e117f848fa12605c711cd. It is recommended to upgrade the affected component. In micropython objarray component, when a bytes object is resized and copied into itself, it may reference memory that has already been freed.

Affected Packages

PyPI micropython-copy
ECOSYSTEM: ≥0 ≤3.3.3.post3
PyPI micropython-io
ECOSYSTEM: ≥0 ≤0.1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-8947
WEB https://github.com/micropython/micropython/issues/13283
WEB https://github.com/micropython/micropython/issues/13283#issuecomment-1918479709
WEB https://github.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa12605c711cd
WEB https://github.com/micropython/micropython/releases/tag/v1.23.0
WEB https://github.com/pypa/advisory-database/tree/main/vulns/micropython-copy/PYSEC-2024-92.yaml
WEB https://github.com/pypa/advisory-database/tree/main/vulns/micropython-io/PYSEC-2024-94.yaml
WEB https://vuldb.com/?ctiid.277765
WEB https://vuldb.com/?id.277765
WEB https://vuldb.com/?submit.409316

Advisory provided by GitHub Security Advisory Database. Published: September 17, 2024, Modified: September 25, 2024

References

https://vuldb.com/?id.277765
https://vuldb.com/?ctiid.277765
https://vuldb.com/?submit.409316
https://github.com/micropython/micropython/issues/13283
https://github.com/micropython/micropython/issues/13283#issuecomment-1918479709
https://github.com/micropython/micropython/commit/4bed614e707c0644c06e117f848fa12605c711cd
https://github.com/micropython/micropython/releases/tag/v1.23.0
Published: 2024-09-17T18:31:06.916Z
Last Modified: 2024-09-17T20:11:29.093Z
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