CVE-2021-27417

eCosCentric eCosPro RTOS Integer Overflow or Wraparound

Published May 3, 2022 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update eCosCentric eCosPro RTOS to version 4.5.4 or newer – Update available

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-14171 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
icscert
Published
Updated
Apr 16, 2025, 4:25 PM
Reserved
Feb 19, 2021, 12:00 AM
Status
Modified
Published
May 3, 2022, 9:15 PM
Modified
Jun 17, 2026, 3:44 AM