high7.5
CVE-2019-15947
In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Bitcoin | Bitcoin Core | Version 0.18.0 |
Weakness classification
References
- NVD record
- CVE.org record
- 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
- 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