Integer Signedness Issue in libIEC61850 by MZ Automation
CVE-2019-19958

6.5MEDIUM

Key Information:

Vendor

Mz-automation

Status
Libiec61850
Vendor
CVE Published:
24 December 2019

What is CVE-2019-19958?

In libIEC61850 version 1.4.0, a flaw has been identified in the StringUtils_createStringFromBuffer function located in common/string_utilities.c. This vulnerability stems from an integer signedness issue that can potentially result in an excessive memory allocation attempt, which may lead to a denial of service. Adequate precautions should be taken to mitigate the risks associated with this vulnerability.

References

https://github.com/mz-automation/libiec61850/issues/198
x_refsource_MISC

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.