#VU79466 Cryptographic issues in Gotham city - CVE-2023-33242

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Main Vulnerability Database Vulnerabilities #VU79466

#VU79466 Cryptographic issues in Gotham city - CVE-2023-33242

Published: August 11, 2023 / Updated: April 9, 2024


Vulnerability identifier: #VU79466
Vulnerability risk: High
CVSSv4.0: 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
Vulnerable software:
Gotham city
Software vendor:
ZenGo X

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).



Remediation

Install updates from vendor's website.

External links