#VU47270 Cleartext storage of sensitive information in Bitcoin Core - CVE-2019-15947
Published: September 5, 2019 / Updated: October 2, 2020
Vulnerability identifier: #VU47270
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2019-15947
CWE-ID: CWE-312
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Bitcoin Core
Bitcoin Core
Software vendor:
Bitcoin
Bitcoin
Description
The vulnerability allows a local user to gain access to sensitive information.
The vulnerability exists due to bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. If a user were to mishandle a core file, an attacker can reconstruct the user's wallet.dat file, including their private keys, via a grep "6231 0500" command.
Remediation
Install updates from vendor's website.