CVE-2017-5681 Explained : Impact and Mitigation
Learn about CVE-2017-5681, a vulnerability in Intel Quick Assist Technology allowing attackers to extract private RSA keys. Find mitigation steps and update recommendations here.
CVE-2017-5681 pertains to a vulnerability in Intel Quick Assist Technology that could allow remote attackers to obtain private RSA keys through a Lenstra side-channel attack.
Understanding CVE-2017-5681
What is CVE-2017-5681?
The vulnerability in Intel Quick Assist Technology (QAT) Engine for OpenSSL versions before 0.5.19 could enable remote attackers to extract private RSA keys.
The Impact of CVE-2017-5681
The vulnerability may lead to information disclosure, potentially exposing sensitive RSA keys to unauthorized parties.
Technical Details of CVE-2017-5681
Vulnerability Description
The RSA-CRT implementation in Intel QuickAssist Technology (QAT) Engine for OpenSSL versions prior to 0.5.19 allows attackers to conduct a Lenstra side-channel attack to obtain private RSA keys.
Affected Systems and Versions
- Product: Intel Quick Assist Technology
- Vendor: Intel
- Vulnerable Version: Before v0.5.19
Exploitation Mechanism
Remote attackers can exploit this vulnerability by performing a Lenstra side-channel attack on affected versions of the Intel Quick Assist Technology.
Mitigation and Prevention
Immediate Steps to Take
- Update Intel Quick Assist Technology to version 0.5.19 or later to mitigate the vulnerability.
- Monitor for any unauthorized access or attempts to extract RSA keys.
Long-Term Security Practices
- Regularly update software and firmware to patch known vulnerabilities.
- Implement strong encryption practices and key management protocols.
Patching and Updates
Apply security patches and updates provided by Intel to address the CVE-2017-5681 vulnerability.