CVE-2019-19958 — MEDIUM (6.5)

Vulnerability Description

In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mz-Automation	Libiec61850	1.4.0

Related Weaknesses (CWE)

CWE-770 CWE-681

References

https://github.com/mz-automation/libiec61850/issues/198ExploitThird Party Advisory
https://github.com/mz-automation/libiec61850/issues/198ExploitThird Party Advisory

FAQ

What is CVE-2019-19958?

CVE-2019-19958 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.

How severe is CVE-2019-19958?

CVE-2019-19958 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-19958?

Check the references section above for vendor advisories and patch information. Affected products include: Mz-Automation Libiec61850.