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CVE-2023-33241

nvd nist
Published: Aug 9, 2023Modified: Jun 17, 2026

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9.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Exploitability: 3.9 / Impact: 5.2
Source: NVD

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.

Affected (2)

Gg18 Project
1 product
Gg18
Gg20 Project
1 product
Gg20
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Gg18
All versions
Gg20
All versions

Related CWEs

CWE-74
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.

References (10)

Source: disclosures@halborn.com
ExploitThird Party Advisory
Source: disclosures@halborn.com
ExploitThird Party Advisory
Source: disclosures@halborn.com
Exploit
Source: disclosures@halborn.com
Exploit
Source: disclosures@halborn.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
ExploitThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.