PT-2019-16015 · Unknown · Libiec61850

Sleicasper · Published 2019-12-23 · Updated 2019-12-30 · CVE-2019-19944

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 out-of-bounds read in the BerDecoder decodeUint32 function, located in the mms/asn1/ber decode.c file. This is due to the handling of intLen and bufPos variables.

Recommendations For libIEC61850 version 1.4.0, consider applying a patch or fix that addresses the out-of-bounds read in the BerDecoder decodeUint32 function to prevent potential exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2019-19944

Affected Products

Libiec61850

References · 3

• 🔥 https://github.com/mz-automation/libiec61850/issues/196 · Exploit
• https://osv.dev/vulnerability/CVE-2019-19944 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-19944 · Security Note