Design/Logic Flaw

Zcash, before the Sapling network upgrade 2018-10-28, had a counterfeiting vulnerability. A key-generation process, during evaluation of polynomials related to a to-be-proven statement, produced certain bypass elements. Availability of these elements allowed a cheating prover to bypass a...

CVE-2019-7167

Zcash, before the Sapling network upgrade 2018-10-28, had a counterfeiting vulnerability. A key-generation process, during evaluation of polynomials related to a to-be-proven statement, produced certain bypass elements. Availability of these elements allowed a cheating prover to bypass a...

PT-2019-18447

Name of the Vulnerable Software and Affected Versions Zcash versions before the Sapling network upgrade 2018-10-28 Description The issue concerns a counterfeiting vulnerability in the key-generation process related to polynomial evaluation for a to-be-proven statement. This allowed a cheating...