by Kastro
Paper/Archive/CVE-2021-27421

CVE-2021-27421

NXP MCUXpresso SDK — NXP MCUXpresso SDK Integer Overflow or Wraparound

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
41
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 58.9.589 × 2011.8No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
MCUXpresso SDKunspecified – < 2.8.22.8.2CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
icscert (CNA)7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: partial

References

refcisa.gov/uscert/ics/advisories/icsa-21-119-04refmcuxpresso.nxp.com/en/welcome