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CVE-2021-27433
Published: May 3, 2022
Modified: Apr 16, 2025
PUBLISHED
CVSS v3.1
7.3
HIGH
Description
ARM mbed-ualloc memory library version 1.3.0 is vulnerable to integer wrap-around in function mbed_krbs, which can lead to arbitrary memory allocation, resulting in unexpected behavior such as a crash or a remote code injection/execution.
| Vendor | Product | Versions |
|---|---|---|
ARM | mbed-ualloc memory library | affected 1.3.0 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
Low
References
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
x_refsource_CONFIRM
https://github.com/ARMmbed/mbed-os/pull/14408
x_refsource_CONFIRM
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