CVE-2023-33242 is a high-severity vulnerability (CVSS 8.1) affecting crypto wallets implementing the Lindell17 TSS protocol, specifically the "lindell17_project lindell17" product. It allows an attacker to extract the full ECDSA private key by exfiltrating one bit per signature attempt over 256 attempts, due to improper handling of aborts after failed signatures. The attack requires low privileges and no user interaction, leading to complete compromise of confidentiality and integrity. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, indicating awareness of its potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:a:lindell17_project:lindell17:-:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.