Vulnerability in Gg18 Project
CVE-2023-33241
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.
EPSS: 0.010 (59.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N.
Affected products
- Gg18_project Gg18
- Gg20_project Gg20
- Gg Tss Implementations Wallet — versions 18, 20
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosures@halborn.com (Third Party Advisory)
- disclosures@halborn.com (Exploit)
- disclosures@halborn.com (Exploit)
- disclosures@halborn.com (Exploit, Third Party Advisory)
- disclosures@halborn.com (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-33241?
- CVE-2023-33241 is a critical-severity vulnerability in Gg18 Project, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 9.6/10. Published 2023-08-09.
- How severe is CVE-2023-33241?
- Critical severity. CVSS v3 base score is 9.6 out of 10.
- Is CVE-2023-33241 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.