CVE-2018-12438

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Weakness enumeration

CWE-200 CWE-320

Affected software

No affected versions have been published.

Timeline

Published: Jun 15, 2018
Last modified: Jun 17, 2026
NVD status: Modified

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