CVE-2023-33241

GG18 / GG20 TSS Beta Parameter Vulnerability

Published Aug 9, 2023 CVSS 3.1 · 9.6 Critical EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-37410 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Halborn
Published
Updated
Oct 10, 2024, 2:37 PM
Reserved
May 19, 2023, 3:51 PM
Status
Modified
Published
Aug 9, 2023, 10:15 PM
Modified
Jun 17, 2026, 6:01 AM