CVE-2019-11636 - Vulnerability Details - OpenCVE

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.

Published: 2019-05-01

Score: 7.5 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:z.cash:zcash::::::::
	cpe:2.3:a:z.cash:zcash:2.0.5:rc1::::::

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2019-3306	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.

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00489.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://github.com/zcash/zcash/issues/3955
https://saplingwoodchipper.github.io
https://twitter.com/dukeleto/status/1120467430118232066

History

No history.

Subscriptions

Z.cash Zcash

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-05-01T16:21:33.000Z

Updated: 2024-08-04T22:55:41.119Z

Reserved: 2019-05-01T00:00:00.000Z

Link: CVE-2019-11636

Vulnrichment

No data.

NVD

Status : Modified

Published: 2019-05-01T17:29:00.230

Modified: 2024-11-21T04:21:30.110

Link: CVE-2019-11636

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-254

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