#VU87909 Heap-based buffer overflow in micropython - CVE-2023-7158
Published: March 28, 2024
Vulnerability identifier: #VU87909
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2023-7158
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
micropython
micropython
Software vendor:
www.micropython.org
www.micropython.org
Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the slice_indices() function in objslice.c. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.
External links
- https://vuldb.com/?id.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