SB2023081144 - Information disclosure in ZenGo X Gotham city
Published: August 11, 2023 Updated: April 9, 2024
Security Bulletin ID
SB2023081144
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2023-33242)
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 update from vendor's website.