VDB-141978 · CVE-2019-3738 · DSA-2019-094

RSA BSAFE Crypto-J up to 6.2.4 Signature Collision signature verification

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability was found in RSA BSAFE Crypto-J up to 6.2.4 and classified as critical. Affected by this issue is some unknown functionality of the component Signature Handler. The manipulation results in signature verification (Collision). This vulnerability was named CVE-2019-3738. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in RSA BSAFE Crypto-J up to 6.2.4. Affected is an unknown code of the component Signature Handler. The manipulation with an unknown input leads to a signature verification vulnerability (Collision). 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. CVE summarizes:

RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to an Improper Verification of Cryptographic Signature vulnerability. A malicious remote attacker could potentially exploit this vulnerability to coerce two parties into computing the same predictable shared key.

The weakness was presented 09/18/2019 (Website). The advisory is available at dell.com. This vulnerability is traded as CVE-2019-3738 since 01/03/2019. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available.

Upgrading to version 6.2.5 eliminates this vulnerability.

See VDB-141979 and VDB-141980 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

RSA BSAFE Crypto-J

Version

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

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

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

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-2019-3738 (🔍)
GCVE (CVE): GCVE-0-2019-3738
GCVE (VulDB): GCVE-100-141978
See also: 🔍

Entryinfo

Created: 09/19/2019 14:16
Updated: 12/26/2023 12:00
Changes: 09/19/2019 14:16 (57), 08/30/2020 12:18 (1), 12/26/2023 11:52 (4), 12/26/2023 12:00 (12)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.