Heap-based buffer overflow in micropython - CVE-2023-7158
Published: March 28, 2024
Vulnerability identifier: #VU87909
CSH Severity: High
CVSS v4: 9.2 [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]
CVE-ID: CVE-2023-7158
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
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.
Affected software
micropython
Fedora
micropython
Fedora
micropython
How to mitigate CVE-2023-7158
Install updates from vendor's website.
micropython - update to 1.22.0
micropython - addressed in versions 1.22.2-1.fc38, 1.22.2-1.fc39, 1.22.2-1.fc40, 1.22.2-1.fc41
micropython - addressed in versions 1.22.2-1.fc38, 1.22.2-1.fc39, 1.22.2-1.fc40, 1.22.2-1.fc41
External References
- 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