CVE-2019-6138 — HIGH (7.5) — White Hats Nepal

Vulnerability Description

An issue has been found in libIEC61850 v1.3.1. Memory_malloc and Memory_calloc in hal/memory/lib_memory.c have memory leaks when called from mms/iso_mms/common/mms_value.c, server/mms_mapping/mms_mapping.c, and server/mms_mapping/mms_sv.c (via common/string_utilities.c), as demonstrated by iec61850_9_2_LE_example.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-401

References

https://github.com/mz-automation/libiec61850/issues/103ExploitThird Party Advisory
https://github.com/mz-automation/libiec61850/issues/103ExploitThird Party Advisory

FAQ

What is CVE-2019-6138?

CVE-2019-6138 is a vulnerability with a CVSS score of 7.5 (HIGH). An issue has been found in libIEC61850 v1.3.1. Memory_malloc and Memory_calloc in hal/memory/lib_memory.c have memory leaks when called from mms/iso_mms/common/mms_value.c, server/mms_mapping/mms_mapp...

How severe is CVE-2019-6138?

CVE-2019-6138 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-2019-6138?

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