CVE-2019-11636

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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 65%
VendorProductVersion
z.cashzcash
2.0.0 ≤
𝑥
≤ 2.0.4
z.cashzcash
2.0.5:rc1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://github.com/zcash/zcash/issues/3955
https://saplingwoodchipper.github.io
https://twitter.com/dukeleto/status/1120467430118232066
https://github.com/zcash/zcash/issues/3955
https://saplingwoodchipper.github.io
https://twitter.com/dukeleto/status/1120467430118232066