Security Features in Zcash - CVE-2019-11636

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Main Vulnerability Database Vulnerabilities #VU35945

Security Features in Zcash - CVE-2019-11636

Published: May 1, 2019 / Updated: August 8, 2020


Vulnerability identifier: #VU35945
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11636
CWE-ID: CWE-254
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Zcash
Software vendor:
Electric Coin Co.

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

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.


Remediation

Install update from vendor's website.

External links