PT-2019-12440 · Electric Coin Company · Zcash

Published 2019-05-01 · Updated 2019-05-09 · CVE-2019-11636

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Zcash versions 2.x

Description The issue allows for an inexpensive approach to fill all transactions of all blocks and prevent any real transaction from occurring via a Sapling Wood-Chipper attack.

Recommendations For Zcash version 2.x, at the moment, there is no information about a newer version that contains a fix for this issue.

Fix

Weakness Enumeration

CWE-254

Related Identifiers

CVE-2019-11636

Affected Products

Zcash

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2019-11636 · Security Note
• https://osv.dev/vulnerability/CVE-2019-11636 · Vendor Advisory
• https://github.com/zcash/zcash/issues/3955 · Note
• https://saplingwoodchipper.github.io · Note
• https://twitter.com/dukeleto/status/1120467430118232066 · Note