CVE-2023-33242 Vulnerability Details

  /     /     /  

CVE-2023-33242 Metadata Quick Info

CVE Published: 09/08/2023 | CVE Updated: 10/10/2024 | CVE Year: 2023
Source: Halborn | Vendor: Lindell TSS Implementations | Product: Wallet
Status : PUBLISHED

---

CVE-2023-33242 Description

Crypto wallets implementing the Lindell17 TSS protocol might allow an attacker to extract the full ECDSA private key by exfiltrating a single bit in every signature attempt (256 in total) because of not adhering to the paper\'s security proof\'s assumption regarding handling aborts after a failed signature.

Metrics

CVSS Version: 3.1 | 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

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* LOW
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* HIGH
    Integrity Impact (I)* HIGH
    Availability Impact (A)* NONE

Weakness Enumeration (CWE)

CWE-ID:
CWE Name: Private Key Exfiltration
Source: Lindell TSS Implementations

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-474
CAPEC Description: CAPEC-474 Signature Spoofing by Key Theft


Source: NVD (National Vulnerability Database).