cve/2019/CVE-2019-11636.md

CVE-2019-11636

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.

POC

Reference

• https://github.com/zcash/zcash/issues/3955
• https://github.com/zcash/zcash/issues/3955
• https://saplingwoodchipper.github.io
• https://saplingwoodchipper.github.io

Github

• https://github.com/saplingwoodchipper/saplingwoodchipper.github.io