Vulnerability Details CVE-2018-12438
The Elliptic Curve Cryptography library (aka sunec or libsunec) allows a memory-cache side-channel attack on ECDSA signatures, aka the Return Of the Hidden Number Problem or ROHNP. To discover an ECDSA key, the attacker needs access to either the local machine or a different virtual machine on the same physical host.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 24.3%
CVSS Severity
CVSS v3 Score 4.9
CVSS v2 Score 1.9
References
Products affected by CVE-2018-12438
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cpe:2.3:a:libsunec_project:libsunec:-