Critical severity9.6NVD Advisory· Published Aug 9, 2023· Updated Jun 17, 2026
CVE-2023-33241
CVE-2023-33241
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- GG TSS Implementations/Walletv5Range: 18
Patches
Vulnerability mechanics
References
3- eprint.iacr.org/2019/114.pdfnvdExploitThird Party Advisory
- eprint.iacr.org/2020/540.pdfnvdExploitThird Party Advisory
- www.fireblocks.com/blog/gg18-and-gg20-paillier-key-vulnerability-technical-report/nvdThird Party Advisory
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