Vulnerability identifier: #VU87910
Vulnerability risk: High
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-416
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
micropython
Other software /
Other software solutions
Vendor: www.micropython.org
Description
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.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
micropython: 1.21.0
External links
http://vuldb.com/?id.249158
http://github.com/micropython/micropython/issues/12887
http://github.com/jimmo/micropython/commit/8b24aa36ba978eafc6114b6798b47b7bfecdca26
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.