Products
MicroPython
- 1.23.0
Source
cna@vuldb.com
Tags
CVE-2024-8948 details
Last Modified : Sept. 17, 2024, 7:15 p.m.
Description
A vulnerability was found in MicroPython 1.23.0. It has been rated as critical. Affected by this issue is the function mpz_as_bytes of the file py/objint.c. The manipulation leads to heap-based buffer overflow. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The patch is identified as 908ab1ceca15ee6fd0ef82ca4cba770a3ec41894. It is recommended to apply a patch to fix this issue. In micropython objint component, converting zero from int to bytes leads to heap buffer-overflow-write at mpz_as_bytes.
CVSS Score
| 1 | 2 | 3 | 4 | 5 | 6 | 7.3 | 8 | 9 | 10 |
|---|
Weakness
| Weakness | Name | Description |
|---|---|---|
| CWE-122 | Heap-based Buffer Overflow | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
CVSS Data
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Base Score
7.3
Exploitability Score
3.9
Impact Score
3.4
Base Severity
HIGH
Vector String : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
References
| URL | Source |
|---|---|
| https://github.com/micropython/micropython/commit/908ab1ceca15ee6fd0ef82ca4cba770a3ec41894 | cna@vuldb.com |
| https://github.com/micropython/micropython/issues/13041 | cna@vuldb.com |
| https://vuldb.com/?ctiid.277766 | cna@vuldb.com |
| https://vuldb.com/?id.277766 | cna@vuldb.com |
| https://vuldb.com/?submit.409317 | cna@vuldb.com |