CVE-2021-27417

Summary

eCosCentric eCosPro RTOS Versions 2.0.1 through 4.5.3 are vulnerable to integer wraparound in function calloc (an implementation of malloc). The unverified memory assignment can lead to arbitrary memory allocation, resulting in a heap-based buffer overflow.

Affected Software

Weaknesses

• CWE-190: CWE-190 Integer Overflow or Wraparound

ADP Enrichment

CVE Program Container

Additional References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
• https://bugzilla.ecoscentric.com/show_bug.cgi?id=1002437

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04
• https://bugzilla.ecoscentric.com/show_bug.cgi?id=1002437

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