Heap-Based Buffer Overflow in MicroPython's VFS Unmount Function
CVE-2024-8946

7.5HIGH

Key Information:

Vendor

Micropython

Status
Micropython
Vendor
CVE Published:
17 September 2024

What is CVE-2024-8946?

A vulnerability identified in MicroPython 1.23.0 pertains to the VFS unmount handler's function mp_vfs_umount. This flaw stems from improper handling during the unmount process, where the proposed string length comparison can result in a heap-based buffer overflow. An attacker can potentially exploit this vulnerability remotely, allowing for severe consequences. It is crucial to apply the available patch to mitigate risks associated with this vulnerability.

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References

https://vuldb.com/?id.277764
https://vuldb.com/?ctiid.277764
https://vuldb.com/?submit.409312

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

JSON
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