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CVE-2023-33241

CRITICAL

9.6

Description

Crypto wallets implementing the GG18 or GG20 TSS protocol might allow an attacker to extract a full ECDSA private key by injecting a malicious pallier key and cheating in the range proof. Depending on the Beta parameters chosen in the protocol implementation, the attack might require 16 signatures or more fully exfiltrate the other parties' private key shares.

CVE Details

CVSS v3.1 Score9.6

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published8/9/2023

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

gg18_project:gg18gg20_project:gg20

Weaknesses (CWE)

CWE-74

References

https://eprint.iacr.org/2019/114.pdf(disclosures@halborn.com)

https://eprint.iacr.org/2020/540.pdf(disclosures@halborn.com)

https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23(disclosures@halborn.com)

https://github.com/fireblocks-labs/safeheron-gg20-exploit-poc(disclosures@halborn.com)

https://www.fireblocks.com/blog/gg18-and-gg20-paillier-key-vulnerability-technical-report/(disclosures@halborn.com)

https://eprint.iacr.org/2019/114.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://eprint.iacr.org/2020/540.pdf(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/fireblocks-labs/safeheron-gg20-exploit-poc(af854a3a-2127-422b-91ae-364da2661108)

https://www.fireblocks.com/blog/gg18-and-gg20-paillier-key-vulnerability-technical-report/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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