CVE-2021-27421
Last modified
CVE-2021-27421 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
Description
NXP MCUXpresso SDK versions prior to 2.8.2 are vulnerable to integer overflow in SDK_Malloc function, which could allow to access memory locations outside the bounds of a specified array, leading to unexpected behavior such segmentation fault when assigning a particular block of memory from the heap via malloc.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Nxp | Mcuxpresso Software Development Kit | < 2.8.2 |
References
- https://mcuxpresso.nxp.com/en/welcomeProduct, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Third Party Advisory, US Government Resource
- https://mcuxpresso.nxp.com/en/welcomeProduct, Vendor Advisory
- https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04Third Party Advisory, US Government Resource
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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