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CVE-2019-7167

N/A

Description

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 consistency check, and consequently transform the proof of one statement into an ostensibly valid proof of a different statement, thereby breaking the soundness of the proof system. This misled the original Sprout zk-SNARK verifier into accepting the correctness of a transaction.

CVE Details

CVSS v3.1 ScoreN/A

Published3/27/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

z.cash:zcash

Weaknesses (CWE)

CWE-754

References

http://fortune.com/2019/02/05/zcash-vulnerability-cryptocurrency/(cve@mitre.org)

https://github.com/JinBean/CVE-Extension(cve@mitre.org)

https://z.cash/blog/zcash-counterfeiting-vulnerability-successfully-remediated/(cve@mitre.org)

http://fortune.com/2019/02/05/zcash-vulnerability-cryptocurrency/(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/JinBean/CVE-Extension(af854a3a-2127-422b-91ae-364da2661108)

https://z.cash/blog/zcash-counterfeiting-vulnerability-successfully-remediated/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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