Heap-based Buffer Overflow in libIEC61850 Affects MmsValue_decodeMmsData Function
CVE-2019-19931

8.8HIGH

Key Information:

Vendor

Mz-automation

Status
Libiec61850
Vendor
CVE Published:
23 December 2019

What is CVE-2019-19931?

In libIEC61850 version 1.4.0, a vulnerability exists within the MmsValue_decodeMmsData function located in the mms/iso_mms/server/mms_access_result.c file. This issue can lead to a heap-based buffer overflow, potentially allowing an attacker to execute arbitrary code or cause a denial of service in applications leveraging this library.

References

https://github.com/mz-automation/libiec61850/issues/194
x_refsource_MISC

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.