SB2023081144 - Information disclosure in ZenGo X Gotham city
Published: August 11, 2023 Updated: April 9, 2024
Security Bulletin ID
SB2023081144
CSH 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 vulnerability.
1) Cryptographic issues (CVE-ID: CVE-2023-33242)
CWE-ID: CWE-310 - Cryptographic Issues
CVSSv4: 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
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.