First published: Tue Dec 13 2016(Updated: )
The C software implementation of RSA 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 | <=3.9.8 |
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CVE-2016-7439 is rated as Medium severity due to its potential to allow local users to discover RSA keys.
To fix CVE-2016-7439, upgrade your wolfSSL implementation to version 3.9.10 or later.
CVE-2016-7439 affects users of wolfSSL versions up to and including 3.9.8.
The main issue with CVE-2016-7439 is a vulnerability in the RSA implementation that allows for side-channel attacks through cache timing differences.
Yes, CVE-2016-7439 poses a significant risk if the application relies on RSA keys and is exposed to local attacks.