PT-2019-16020 · Unknown · Libiec61850

Sleicasper · Published 2019-12-24 · Updated 2020-08-24 · CVE-2019-19958

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions libIEC61850 version 1.4.0

Description The issue is related to an integer signedness problem in the StringUtils createStringFromBuffer function, located in common/string utilities.c. This could potentially lead to an attempted excessive memory allocation, resulting in a denial of service.

Recommendations For libIEC61850 version 1.4.0, consider applying a patch or fix that addresses the integer signedness issue in the StringUtils createStringFromBuffer function to prevent potential denial of service attacks.

Exploit

Fix

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

CWE-681

Related Identifiers

CVE-2019-19958

Affected Products

Libiec61850

References · 3

• 🔥 https://github.com/mz-automation/libiec61850/issues/198 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-19958 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19958 · Vendor Advisory