CVE - CVE-2024-8946

CVE-ID
CVE-2024-8946	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
A vulnerability was found in MicroPython 1.23.0. It has been classified as critical. Affected is the function mp_vfs_umount of the file extmod/vfs.c of the component VFS Unmount Handler. 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. The name of the patch is 29943546343c92334e8518695a11fc0e2ceea68b. It is recommended to apply a patch to fix this issue. In the VFS unmount process, the comparison between the mounted path string and the unmount requested string is based solely on the length of the unmount string, which can lead to a heap buffer overflow read.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:Submit #409312 \| micropython v1.23.0 Heap-based Buffer Overflow URL:https://vuldb.com/?submit.409312 MISC:VDB-277764 \| CTI Indicators (IOB, IOC, IOA) URL:https://vuldb.com/?ctiid.277764 MISC:VDB-277764 \| MicroPython VFS Unmount vfs.c mp_vfs_umount heap-based overflow URL:https://vuldb.com/?id.277764 MISC:https://github.com/micropython/micropython/commit/29943546343c92334e8518695a11fc0e2ceea68b URL:https://github.com/micropython/micropython/commit/29943546343c92334e8518695a11fc0e2ceea68b MISC:https://github.com/micropython/micropython/issues/13006 URL:https://github.com/micropython/micropython/issues/13006 MISC:https://github.com/micropython/micropython/issues/13006#issuecomment-1820309455 URL:https://github.com/micropython/micropython/issues/13006#issuecomment-1820309455
Assigning CNA
VulDB
Date Record Created
20240917	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20240917)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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