CVE-2021-27417

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.

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

V2 Legend

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://bugzilla.ecoscentric.com/show_bug.cgi?id=1002437	Permissions Required Vendor Advisory
https://www.cisa.gov/uscert/ics/advisories/icsa-21-119-04	Third Party Advisory US Government Resource

Configurations

Configuration 1 (hide)

cpe:2.3:a:ecoscentric:ecospro:*:*:*:*:*:*:*:*

Information

Published : 2022-05-03 14:15

Updated : 2022-05-12 08:38

NVD link : CVE-2021-27417

Mitre link : CVE-2021-27417

JSON object : View

CWE

CWE-190

Integer Overflow or Wraparound

Products Affected

ecoscentric

ecospro

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9.8 /10