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CVE-2024-8948

UNKNOWN
Published 2024-09-17T18:50:17.599Z
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CVSS Score

V3.1
7.3
/10
CVSS:3.1/AV:N/AC:L/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: 0.228
Higher than 22.8% 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 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

micropython

micropython

Affected Versions:

1.23.0

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

heap-buffer-overflow in MicroPython

GHSA-vh3x-525m-jp4r

Advisory Details

A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.

Affected Packages

PyPI micropython-copy
ECOSYSTEM: ≥0 ≤3.3.3.post3
PyPI micropython-io
ECOSYSTEM: ≥0 ≤0.1
PyPI micropython-os
ECOSYSTEM: ≥0 ≤0.8

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2024-8948
WEB https://github.com/micropython/micropython/issues/13041
WEB https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894
WEB https://github.com/pypa/advisory-database/tree/main/vulns/micropython-copy/PYSEC-2024-87.yaml
WEB https://github.com/pypa/advisory-database/tree/main/vulns/micropython-io/PYSEC-2024-88.yaml
WEB https://github.com/pypa/advisory-database/tree/main/vulns/micropython-os/PYSEC-2024-89.yaml
WEB https://vuldb.com/?ctiid.277766
WEB https://vuldb.com/?id.277766
WEB https://vuldb.com/?submit.409317

Advisory provided by GitHub Security Advisory Database. Published: September 17, 2024, Modified: September 24, 2024

References

https://vuldb.com/?id.277766
https://vuldb.com/?ctiid.277766
https://vuldb.com/?submit.409317
https://github.com/micropython/micropython/issues/13041
https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894
Published: 2024-09-17T18:50:17.599Z
Last Modified: 2024-09-17T20:07:19.189Z
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