CVE-2019-15947

moderate-risk
Published 2019-09-05

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.

Do I need to act?

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0.35% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
7
CVSS 7.5/10 High
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Bitcoin

References (8)

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
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
32
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 1/34 · Minimal
Exposure 5/34 · Minimal