Bug 2256175 (CVE-2023-7158)

Summary:	CVE-2023-7158 MicroPython: heap-based buffer overflow
Product:	[Other] Security Response	Reporter:	Avinash Hanwate <ahanwate>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	MicroPython 1.22.0	Doc Type:	If docs needed, set a value
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2256176
Bug Blocks:

Description Avinash Hanwate 2023-12-29 10:44:15 UTC

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 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.

https://github.com/micropython/micropython/issues/13007
https://github.com/micropython/micropython/pull/13039
https://github.com/micropython/micropython/pull/13039/commits/f397a3ec318f3ad05aa287764ae7cef32202380f
https://github.com/micropython/micropython/releases/tag/v1.22.0
https://vuldb.com/?ctiid.249180
https://vuldb.com/?id.249180

Comment 1 Avinash Hanwate 2023-12-29 10:44:40 UTC

Created micropython tracking bugs for this issue:

Affects: fedora-all [bug 2256176]

Comment 2 Fedora Update System 2024-04-04 00:45:48 UTC

FEDORA-2024-34aa24af35 (micropython-1.22.2-1.fc39) has been pushed to the Fedora 39 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 3 Fedora Update System 2024-04-04 00:55:13 UTC

FEDORA-2024-51e55a7065 (micropython-1.22.2-1.fc38) has been pushed to the Fedora 38 stable repository.
If problem still persists, please make note of it in this bug report.