Vulnerability in Bitcoin Core
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 71.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Bitcoin Core — versions 0.18.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b (Third Party Advisory)
- en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures (Not Applicable)
- github.com/bitcoin/bitcoin/issues/16824 (Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202009-18 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-15947?
- CVE-2019-15947 is a high-severity vulnerability in Bitcoin Core, classified under Cleartext Storage of Sensitive Information. CVSS score: 7.5/10. Published 2019-09-05.
- How severe is CVE-2019-15947?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-15947 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.