CVE Vulnerability

CVE-2018-12437

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.

1.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

Scope

4.9 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.5 / Impact : 4

Attack Vector PHYSICAL

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/ Exploit Technical Description
https://security.gentoo.org/glsa/202007-53 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:libtom:libtomcrypt:*:*:*:*:*:*:*:*
cpe:2.3:o:linaro:op-tee:*:*:*:*:*:*:*:*
Information

Published : 2018-06-15 02:29

Updated : 2021-06-29 02:27

NVD link : CVE-2018-12437

Mitre link : CVE-2018-12437

Products Affected
No products.
CWE
CWE-200