CVE-2016-7438
First published: Tue Dec 13 2016(Updated: )
The C software implementation of ECC in wolfSSL (formerly CyaSSL) before 3.9.10 makes it easier for local users to discover RSA keys by leveraging cache-bank hit differences.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| wolfSSL wolfMQTT | <=3.9.8 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2016-7438?
CVE-2016-7438 is classified as a medium severity vulnerability due to its potential for local users to exploit cache-bank timing differences to reveal RSA keys.
How do I fix CVE-2016-7438?
To mitigate CVE-2016-7438, upgrade to wolfSSL version 3.9.10 or later, which contains the necessary patches for this vulnerability.
Who is affected by CVE-2016-7438?
All users of wolfSSL versions prior to 3.9.10, particularly those utilizing the ECC implementation, are affected by CVE-2016-7438.
What type of hacking technique does CVE-2016-7438 exploit?
CVE-2016-7438 exploits a side-channel attack technique that leverages cache-bank hit differences.
Can CVE-2016-7438 be exploited remotely?
No, CVE-2016-7438 requires local access to the system to exploit the vulnerability.
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