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MitreCVE-2019-19944

HistoryDec 23, 2019 - 7:15 p.m.

CVE-2019-19944

2019-12-2319:15:11

CWE-125

mitre

web.nvd.nist.gov

cve-2019-19944

libiec61850

berdecoder_decodeuint32

out-of-bounds read

information security

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

40.6%

JSON

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

Affected configurations

Nvd

Node

mz-automationlibiec61850Match1.4.0

VendorProductVersionCPE
mz-automationlibiec618501.4.0cpe:2.3:a:mz-automation:libiec61850:1.4.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
mz-automation	libiec61850	1.4.0	cpe:2.3:a:mz-automation:libiec61850:1.4.0:::::::*

References

github.com/mz-automation/libiec61850/issues/196

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

40.6%

JSON

Related for CVE-2019-19944