PT-2019-16012 · Unknown · Libiec61850

Sleicasper · Published 2019-12-23 · Updated 2019-12-30 · CVE-2019-19930

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 error in the MmsValue newOctetString function, located in the mms/iso mms/common/mms value.c file. This error can lead to an attempted excessive memory allocation.

Recommendations For libIEC61850 version 1.4.0, consider applying a patch or fix to address the integer signedness error in the MmsValue newOctetString function to prevent excessive memory allocation attempts. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Integer Overflow

Weakness Enumeration

CWE-190

Related Identifiers

CVE-2019-19930

Affected Products

Libiec61850

References · 3

• 🔥 https://github.com/mz-automation/libiec61850/issues/193 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2019-19930 · Security Note
• https://osv.dev/vulnerability/CVE-2019-19930 · Vendor Advisory