CVE-2018-12437

medium

Description

LibTomCrypt through 1.18.1 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.

References

https://security.gentoo.org/glsa/202007-53

Details

Source: Mitre, NVD

Published: 2018-06-15

Updated: 2021-06-29

Risk Information

CVSS v2

Base Score: 1.9

Vector: CVSS2#AV:L/AC:M/Au:N/C:P/I:N/A:N

Severity: Low

CVSS v3

Base Score: 4.9

Vector: CVSS:3.0/AV:P/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N

Severity: Medium