PT-2019-17974 · Libiec61850+1 · Libiec61850+1

Published 2019-01-11 · Updated 2024-08-19 · CVE-2019-6138

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions libIEC61850 version 1.3.1

Description The issue is related to memory leaks in the Memory malloc and Memory calloc functions located in hal/memory/lib memory.c, which are called from several files including 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). This is demonstrated by the example file iec61850 9 2 LE example.c.

Recommendations For libIEC61850 version 1.3.1, consider applying a patch to fix the memory leaks in the Memory malloc and Memory calloc functions. As a temporary workaround, restrict the use of the Memory malloc and Memory calloc functions until a patch is available.

Exploit

Fix

Memory Leak

Weakness Enumeration

CWE-401

Related Identifiers

ALT-PU-2020-3467

ALT-PU-2020-3487

ALT-PU-2024-11160

CVE-2019-6138

Affected Products

Alt Linux

Libiec61850

References · 3

• 🔥 https://github.com/mz-automation/libiec61850/issues/103 · Exploit
• https://osv.dev/vulnerability/CVE-2019-6138 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-6138 · Security Note