CVE-2022-21159

EUVD-2022-26404
A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence of malformed iec61850 messages to trigger this vulnerability.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
talosCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 63%
Affected Products (NVD)
VendorProductVersion
mz-automationlibiec61850
1.5.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467
https://github.com/mz-automation/libiec61850/commit/cfa94cbf10302bedc779703f874ee2e8387a0721
https://talosintelligence.com/vulnerability_reports/TALOS-2022-1467
https://www.talosintelligence.com/vulnerability_reports/TALOS-2022-1467