CVE-2019-19944 — MEDIUM (6.5)

Vulnerability Description

In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.

CVSS Score

6.5

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

NONE

Integrity

NONE

Availability

HIGH

Affected Products

Vendor	Product	Versions
Mz-Automation	Libiec61850	1.4.0

Related Weaknesses (CWE)

CWE-125

References

https://github.com/mz-automation/libiec61850/issues/196ExploitThird Party Advisory
https://github.com/mz-automation/libiec61850/issues/196ExploitThird Party Advisory

FAQ

What is CVE-2019-19944?

CVE-2019-19944 is a vulnerability with a CVSS score of 6.5 (MEDIUM). In libIEC61850 1.4.0, BerDecoder_decodeUint32 in mms/asn1/ber_decode.c has an out-of-bounds read, related to intLen and bufPos.

How severe is CVE-2019-19944?

CVE-2019-19944 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-19944?

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