CVE-2019-15947 — HIGH (7.5)

Vulnerability 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 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

NONE

Availability

NONE

Affected Products

Vendor	Product	Versions
Bitcoin	Bitcoin Core	0.18.0

Related Weaknesses (CWE)

CWE-312

References

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947Not Applicable
https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861bThird Party Advisory
https://github.com/bitcoin/bitcoin/issues/16824Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202009-18Third Party Advisory
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947Not Applicable
https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861bThird Party Advisory
https://github.com/bitcoin/bitcoin/issues/16824Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202009-18Third Party Advisory

FAQ

What is CVE-2019-15947?

CVE-2019-15947 is a vulnerability with a CVSS score of 7.5 (HIGH). 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 ...

How severe is CVE-2019-15947?

CVE-2019-15947 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2019-15947?

Check the references section above for vendor advisories and patch information. Affected products include: Bitcoin Bitcoin Core.