NULL Pointer Dereference in libiec61850 Affecting Mz-automation
CVE-2021-45769

7.5HIGH

Key Information:

Vendor

Mz-automation

Status
Libiec61850
Vendor
CVE Published:
14 January 2022

What is CVE-2021-45769?

A vulnerability exists in libiec61850 version 1.5.0, where a NULL pointer dereference in the function AcseConnection_parseMessage can potentially lead to a segmentation fault, disrupting normal operations and causing application crashes. This flaw may result in denial of service, affecting the functionality and reliability of applications utilizing this library.

References

https://github.com/mz-automation/libiec61850/issues/368
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.