Vulnerability CVE-2019-11636
Published: 2019-05-01

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.

Type:

CWE-254

 (Security Features)

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Z.cash -> Zcash 

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