CVE-2019-6719 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An issue has been found in libIEC61850 v1.3.1. There is a use-after-free in the getState function in mms/iso_server/iso_server.c, as demonstrated by examples/server_example_goose/server_example_goose.c and examples/server_example_61400_25/server_example_61400_25.c.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mz-Automation	Libiec61850	1.3.1

Related Weaknesses (CWE)

CWE-416

References

https://github.com/mz-automation/libiec61850/issues/111ExploitThird Party Advisory
https://github.com/mz-automation/libiec61850/issues/111ExploitThird Party Advisory

FAQ

What is CVE-2019-6719?

CVE-2019-6719 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue has been found in libIEC61850 v1.3.1. There is a use-after-free in the getState function in mms/iso_server/iso_server.c, as demonstrated by examples/server_example_goose/server_example_goose....

How severe is CVE-2019-6719?

CVE-2019-6719 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-6719?

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