1.9
CVSSv2

CVE-2018-12436

Published: 15/06/2018 Updated: 06/08/2018
CVSS v2 Base Score: 1.9 | Impact Score: 2.9 | Exploitability Score: 3.4
CVSS v3 Base Score: 4.7 | Impact Score: 3.6 | Exploitability Score: 1
VMScore: 169
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

Vulnerability Summary

wolfcrypt/src/ecc.c in wolfSSL prior to 3.15.1.patch 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.

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Vendor Advisories

Debian Bug report logs - #901627 wolfssl: CVE-2018-12436 Package: src:wolfssl; Maintainer for src:wolfssl is Felix Lechner <felixlechner@lease-upcom>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 15 Jun 2018 19:27:02 UTC Severity: grave Tags: security, upstream Found in version wolfssl/3130+d ...