#VU64462 Information disclosure in MetaMask


Published: 2022-06-17

Vulnerability identifier: #VU64462

Vulnerability risk: Low

CVSSv3.1: 5.4 [CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-32969

CWE-ID: CWE-200

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
MetaMask
Web applications / Cryptocurrency software

Vendor:

Description

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.

Mitigation
Install updates from vendor's website.

Vulnerable software versions


External links
http://medium.com/metamask/security-notice-extension-disk-encryption-issue-d437d4250863


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


Latest bulletins with this vulnerability