Wolfssl · Wolfssl · CVE-2018-12436
**Name of the Vulnerable Software and Affected Versions**
wolfSSL versions prior to 3.15.1
**Description**
The issue allows for a memory-cache side-channel attack on ECDSA signatures, also known as the Return Of the Hidden Number Problem or ROHNP. An attacker can discover an ECDSA key if they have access to either the local machine or a different virtual machine on the same physical host.
**Recommendations**
For versions prior to 3.15.1, update to version 3.15.1 or later to resolve the issue.