CVE-2023-33242

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2023-33242
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.

9.6 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.1 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://eprint.iacr.org/2017/552.pdf Exploit Third Party Advisory
https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 Exploit
https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc Exploit
https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/ Third Party Advisory
https://eprint.iacr.org/2017/552.pdf Exploit Third Party Advisory
https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 Exploit
https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc Exploit
https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/ Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:lindell17_project:lindell17:-:*:*:*:*:*:*:*
History

21 Nov 2024, 08:05

Type Values Removed Values Added
References () https://eprint.iacr.org/2017/552.pdf - Exploit, Third Party Advisory () https://eprint.iacr.org/2017/552.pdf - Exploit, Third Party Advisory
References () https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 - Exploit () https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 - Exploit
References () https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc - Exploit () https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc - Exploit
References () https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/ - Third Party Advisory () https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/ - Third Party Advisory
CVSS v2 : unknown
v3 : 8.1 		v2 : unknown
v3 : 9.6

25 Aug 2023, 15:06

Type Values Removed Values Added
CPE cpe:2.3:a:lindell17_project:lindell17:-:*:*:*:*:*:*:*
CWE CWE-74
First Time Lindell17 Project
Lindell17 Project lindell17
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.1
References (MISC) https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/ - (MISC) https://www.fireblocks.com/blog/lindell17-abort-vulnerability-technical-report/ - Third Party Advisory
References (MISC) https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc - (MISC) https://github.com/fireblocks-labs/zengo-lindell17-exploit-poc - Exploit
References (MISC) https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 - (MISC) https://github.com/fireblocks-labs/mpc-ecdsa-attacks-23 - Exploit
References (MISC) https://eprint.iacr.org/2017/552.pdf - (MISC) https://eprint.iacr.org/2017/552.pdf - Exploit, Third Party Advisory

09 Aug 2023, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2023-08-09 22:15

Updated : 2024-11-21 08:05

NVD link : CVE-2023-33242

Mitre link : CVE-2023-33242

CVE.ORG link : CVE-2023-33242

JSON object : View

Products Affected

lindell17_project

  • lindell17
CWE
CWE-74

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')