CVE-2019-15947

In Bitcoin Core 0.18.0, 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.

Score

CVSS 3.1 7.5 High

Status

Modified - cve@mitre.org

Published

2019-09-05

Last modified

2024-08-05

Weaknesses

CWE-312

Affected products

• Bitcoin Core (Bitcoin)

References

• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947
• https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b
• https://github.com/bitcoin/bitcoin/issues/16824
• https://security.gentoo.org/glsa/202009-18