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MitreCVE-2019-11636

HistoryMay 01, 2019 - 5:29 p.m.

CVE-2019-11636

2019-05-0117:29:00

CWE-254

mitre

web.nvd.nist.gov

zcash

cve-2019-11636

sapling wood-chipper

nvd

transaction security

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.7%

JSON

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.

Affected configurations

Nvd

Node

z.cashzcashRange2.0.0–2.0.4

z.cashzcashMatch2.0.5rc1

VendorProductVersionCPE
z.cashzcash*cpe:2.3:a:z.cash:zcash:*:*:*:*:*:*:*:*
z.cashzcash2.0.5cpe:2.3:a:z.cash:zcash:2.0.5:rc1:*:*:*:*:*:*

Vendor	Product	Version	CPE
z.cash	zcash	*	cpe:2.3:a:z.cash:zcash::::::::
z.cash	zcash	2.0.5	cpe:2.3:a:z.cash:zcash:2.0.5:rc1::::::

References

github.com/zcash/zcash/issues/3955

saplingwoodchipper.github.io

twitter.com/dukeleto/status/1120467430118232066

Social References

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.003

Percentile

71.7%

JSON

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