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:
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
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.