RSA BSAFE Crypto-J up to 6.2.4 ECDSA Key Generation information exposure

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in RSA BSAFE Crypto-J up to 6.2.4. It has been classified as problematic. This affects an unknown part of the component ECDSA Key Generation. This manipulation causes information exposure. The identification of this vulnerability is CVE-2019-3739. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in RSA BSAFE Crypto-J up to 6.2.4 and classified as problematic. Affected by this vulnerability is an unknown code block of the component ECDSA Key Generation. The manipulation with an unknown input leads to a information exposure vulnerability. The CWE definition for the vulnerability is CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. As an impact it is known to affect confidentiality. The summary by CVE is:

RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to Information Exposure Through Timing Discrepancy vulnerabilities during ECDSA key generation. A malicious remote attacker could potentially exploit those vulnerabilities to recover ECDSA keys.

The weakness was shared 09/18/2019 (Website). It is possible to read the advisory at dell.com. This vulnerability is known as CVE-2019-3739 since 01/03/2019. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 6.2.5 eliminates this vulnerability.

The entries VDB-141978 and VDB-141980 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.6
VulDB Meta Temp Score: 5.5

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CNA Base Score: 6.5
CNA Vector (Dell): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
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: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: RSA BSAFE Crypto-J 6.2.5

Timelineinfo

01/03/2019 🔍
09/18/2019 +258 days 🔍
09/19/2019 +1 days 🔍
12/26/2023 +1559 days 🔍

Sourcesinfo

Advisory: DSA-2019-094
Status: Not defined

CVE: CVE-2019-3739 (🔍)
GCVE (CVE): GCVE-0-2019-3739
GCVE (VulDB): GCVE-100-141979
See also: 🔍

Entryinfo

Created: 09/19/2019 14:24
Updated: 12/26/2023 12:14
Changes: 09/19/2019 14:24 (55), 08/30/2020 12:54 (1), 12/26/2023 12:07 (4), 12/26/2023 12:14 (12)
Complete: 🔍
Cache ID: 216:D49:103

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