CVE-2019-3739 : Exploit Details and Defense Strategies

CVE-2019-3739, published on August 9, 2019, addresses a vulnerability in RSA BSAFE Crypto-J versions prior to 6.2.5 that could lead to information exposure through timing discrepancies during ECDSA key generation.

Understanding CVE-2019-3739

This CVE entry highlights a specific vulnerability in RSA BSAFE Crypto-J versions before 6.2.5 that could be exploited by a remote attacker to retrieve ECDSA keys.

What is CVE-2019-3739?

Versions of RSA BSAFE Crypto-J prior to 6.2.5 contain a vulnerability that can result in information exposure through timing discrepancies, particularly affecting ECDSA key generation.

The Impact of CVE-2019-3739

CVSS Base Score: 6.5 (Medium Severity)
Confidentiality Impact: High
Attack Vector: Network
This vulnerability could allow a malicious remote attacker to retrieve ECDSA keys.

Technical Details of CVE-2019-3739

Vulnerability Description

The vulnerability in RSA BSAFE Crypto-J versions before 6.2.5 can lead to information exposure through timing discrepancies during ECDSA key generation.

Affected Systems and Versions

Affected Product: RSA BSAFE Crypto-J
Vendor: Dell
Vulnerable Versions: Prior to 6.2.5

Exploitation Mechanism

The vulnerability can be exploited by a remote attacker to retrieve ECDSA keys.

Mitigation and Prevention

Immediate Steps to Take

Update RSA BSAFE Crypto-J to version 6.2.5 or later.
Monitor for any unauthorized access or unusual activities on the affected systems.

Long-Term Security Practices

Regularly update and patch cryptographic libraries and software.
Implement network security measures to detect and prevent unauthorized access.

Patching and Updates

Apply security patches and updates provided by Dell for RSA BSAFE Crypto-J to address the vulnerability.