CVE-2018-12439

Published: Jun 15, 2018Modified: Nov 21, 2024

4.7

Vector

CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Exploitability: 1.0 / Impact: 3.6

Source: NVD

Description

MatrixSSL through 3.9.5 Open 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.

Affected (1)

Products: Matrixssl: Matrixssl

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Matrixssl Matrixssl	Up to 3.9.5

Related CWEs

Exposure of Sensitive Information to an Unauthorized Actor

The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.

References (2)

https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/

Source: cve@mitre.org

Third Party Advisory

https://www.nccgroup.trust/us/our-research/technical-advisory-return-of-the-hidden-number-problem/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.