MZ Automation libIEC61850 1.5.0 parseNormalModeParameters infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability was found in MZ Automation libIEC61850 1.5.0. It has been classified as problematic. This issue affects the function parseNormalModeParameters. The manipulation leads to infinite loop. This vulnerability is documented as CVE-2022-21159. The attack can be initiated remotely. There is not any exploit available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in MZ Automation libIEC61850 1.5.0 (Automation Software). It has been rated as critical. This issue affects the function parseNormalModeParameters. The manipulation with an unknown input leads to a infinite loop vulnerability. Using CWE to declare the problem leads to CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. Impacted is availability.

The weakness was released 04/15/2022 as cfa94cbf10302bedc779703f874ee2e8387a0721. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2022-21159 since 02/15/2022. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Applying the patch cfa94cbf10302bedc779703f874ee2e8387a0721 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 7.5
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: cfa94cbf10302bedc779703f874ee2e8387a0721

Timelineinfo

02/15/2022 🔍
04/15/2022 +58 days 🔍
04/15/2022 +0 days 🔍
04/21/2022 +6 days 🔍

Sourcesinfo

Advisory: cfa94cbf10302bedc779703f874ee2e8387a0721
Status: Confirmed

CVE: CVE-2022-21159 (🔍)
GCVE (CVE): GCVE-0-2022-21159
GCVE (VulDB): GCVE-100-197531

Entryinfo

Created: 04/15/2022 23:01
Updated: 04/21/2022 11:05
Changes: 04/15/2022 23:01 (52), 04/21/2022 11:05 (1)
Complete: 🔍
Cache ID: 216::103

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