STMicroelectronics STSAFE-J/J-SAFE3/J-SIGN Java Card API signature verification

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in STMicroelectronics STSAFE-J, J-SAFE3 and J-SIGN. It has been declared as problematic. This impacts an unknown function of the component Java Card API. The manipulation results in signature verification. This vulnerability is cataloged as CVE-2021-43393. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in STMicroelectronics STSAFE-J, J-SAFE3 and J-SIGN (version now known). Affected is some unknown processing of the component Java Card API. The manipulation with an unknown input leads to a signature verification vulnerability. CWE is classifying the issue as CWE-347. The product does not verify, or incorrectly verifies, the cryptographic signature for data. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was shared 03/04/2022. The advisory is available at cert.ssi.gouv.fr. This vulnerability is traded as CVE-2021-43393 since 11/04/2021. The technical details are unknown and an exploit is not available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 4.6
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Signature verification
CWE: CWE-347 / CWE-345
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/04/2021 🔍
03/04/2022 +120 days 🔍
03/04/2022 +0 days 🔍
03/06/2022 +2 days 🔍

Sourcesinfo

Advisory: cert.ssi.gouv.fr
Status: Not defined

CVE: CVE-2021-43393 (🔍)
GCVE (CVE): GCVE-0-2021-43393
GCVE (VulDB): GCVE-100-194214

Entryinfo

Created: 03/04/2022 17:05
Updated: 03/06/2022 14:54
Changes: 03/04/2022 17:05 (36), 03/06/2022 14:54 (1)
Complete: 🔍
Cache ID: 216::103

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