CVE-2019-3740 : What You Need to Know
Learn about CVE-2019-3740 affecting RSA BSAFE Crypto-J versions prior to 6.2.5, exposing information through timing discrepancies during DSA key generation. Find mitigation steps and long-term security practices here.
RSA BSAFE Crypto-J versions prior to 6.2.5 have a vulnerability that exposes information through timing discrepancies during DSA key generation, potentially allowing remote attackers to retrieve DSA keys.
Understanding CVE-2019-3740
Prior to version 6.2.5, RSA BSAFE Crypto-J is susceptible to a cryptographic issue that could lead to information exposure.
What is CVE-2019-3740?
- RSA BSAFE Crypto-J versions prior to 6.2.5 are vulnerable to information exposure through timing discrepancies during DSA key generation.
- Remote attackers could exploit this vulnerability to recover DSA keys.
The Impact of CVE-2019-3740
- CVSS Base Score: 6.5 (Medium)
- Attack Vector: Network
- Confidentiality Impact: High
- User Interaction: Required
- This vulnerability could result in the exposure of sensitive information.
Technical Details of CVE-2019-3740
RSA BSAFE Crypto-J prior to version 6.2.5 has the following technical details:
Vulnerability Description
- The vulnerability exposes information through timing discrepancies during DSA key generation.
Affected Systems and Versions
- Affected Product: RSA BSAFE Crypto-J
- Vendor: Dell
- Vulnerable Versions: Prior to 6.2.5
Exploitation Mechanism
- Attack Complexity: Low
- Privileges Required: None
- Scope: Unchanged
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.
Long-Term Security Practices
- Regularly review and apply security patches and updates.
- Conduct security assessments to identify and address vulnerabilities.
Patching and Updates
- Stay informed about security alerts and advisories from the vendor.
- Implement a robust security policy and practices to safeguard cryptographic operations.