SB2022061704 - Information disclosure in MetaMask
Published: June 17, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Information disclosure (CVE-ID: CVE-2022-32969)
CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local attacker to gain access to potentially sensitive information.
The vulnerability exists due to the way how web browsers save contents of non-password input fields to the disk as part of their standard “restore session” system. A local attacker can expose a crypto wallet's secret recovery phrase and steal NFTs and cryptocurrency stored within it.
Remediation
Install update from vendor's website.