CVE-2019-11636
Published May 1, 2019
Last updated 6 years ago
Overview
- Description
- Zcash 2.x allows an inexpensive approach to "fill all transactions of all blocks" and "prevent any real transaction from occurring" via a "Sapling Wood-Chipper" attack.
- Source
- cve@mitre.org
- NVD status
- Modified
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 3.6
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5
- Impact score
- 2.9
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
- nvd@nist.gov
- CWE-254
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:z.cash:zcash:*:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B59FF8F-169B-489E-89CB-139BA0039F8C",
"versionEndIncluding": "2.0.4",
"versionStartIncluding": "2.0.0"
},
{
"criteria": "cpe:2.3:a:z.cash:zcash:2.0.5:rc1:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "93874145-407B-401D-BCD7-46429F723706"
}
],
"operator": "OR"
}
]
}
]