Cryptographic issues in Gotham city - CVE-2023-33242
Published: August 11, 2023 / Updated: April 9, 2024
Vulnerability identifier: #VU79466
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2023-33242
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: ZenGo X
Affected software:
Gotham city
Gotham city
Detailed vulnerability description
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to an error in Lindell17 TSS protocol implementation in crypto wallets. A remote attacker can extract the full ECDSA private key by exfiltrating a single bit in every signature attempt (256 in total).
How to mitigate CVE-2023-33242
Install updates from vendor's website.