Overview
- 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.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 4.7
- Impact score
- 3.6
- Exploitability score
- 1
- Vector string
- CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Severity
- MEDIUM
CVSS 2.0
- Type
- Primary
- Base score
- 1.9
- Impact score
- 2.9
- Exploitability score
- 3.4
- Vector string
- AV:L/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
- nvd@nist.gov
- CWE-200
Social media
- Hype score
- Not currently trending
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5159236F-DE2C-4C8F-87BD-F6FE28B7426F",
"versionEndIncluding": "3.9.5"
}
],
"operator": "OR"
}
]
}
]