Use-after-free in micropython - CVE-2023-7152
Published: March 28, 2024
Vulnerability identifier: #VU87910
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-7152
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the poll_set_add_fd() function in extmod/modselect.c. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
micropython
Fedora
micropython
Fedora
micropython
How to mitigate CVE-2023-7152
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