Overview
- Description
- A vulnerability, which was classified as critical, has been found in MicroPython 1.21.0/1.22.0-preview. Affected by this issue is the function poll_set_add_fd of the file extmod/modselect.c. The manipulation leads to use after free. The exploit has been disclosed to the public and may be used. The patch is identified as 8b24aa36ba978eafc6114b6798b47b7bfecdca26. It is recommended to apply a patch to fix this issue. VDB-249158 is the identifier assigned to this vulnerability.
- Source
- cna@vuldb.com
- NVD status
- Modified
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Secondary
- Base score
- 5.2
- Impact score
- 6.4
- Exploitability score
- 5.1
- Vector string
- AV:A/AC:L/Au:S/C:P/I:P/A:P
Weaknesses
- cna@vuldb.com
- CWE-416
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:micropython:micropython:1.21.0:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "92240FCD-0BA9-46D0-9C9A-2CDD8FE2A769"
},
{
"criteria": "cpe:2.3:a:micropython:micropython:1.22.0:preview:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "B60BCDF9-D1CF-45ED-9B95-9F06C5C2A95F"
}
],
"operator": "OR"
}
]
}
]