High severity · published Sep 5, 2019
CVE-2019-15947
In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory
7.5
CVSS
1.5%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.5% · higher than 74% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BC
Bitcoin Core · Bitcoin
0.18.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-15947
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-15947
Not Applicable
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947
Third Party Advisory
https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b
Issue Tracking
https://github.com/bitcoin/bitcoin/issues/16824
Third Party Advisory
https://security.gentoo.org/glsa/202009-18
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