Bitcoin Core 0.18.0 bitcoin-qt wallet.dat Memory inadequate encryption

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

A vulnerability classified as problematic was found in Bitcoin Core 0.18.0. Affected by this vulnerability is some unknown processing of the file wallet.dat of the component bitcoin-qt. The manipulation with an unknown input leads to a inadequate encryption vulnerability (Memory). The CWE definition for the vulnerability is CWE-326. The product stores or transmits sensitive data using an encryption scheme that is theoretically sound, but is not strong enough for the level of protection required. As an impact it is known to affect confidentiality. The summary by CVE is:

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.

The weakness was released 09/05/2019. This vulnerability is known as CVE-2019-15947 since 09/05/2019. The exploitation appears to be difficult. An attack has to be approached locally. Required for exploitation is a single authentication. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 2.5
VulDB Temp Score: 2.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Memory
Class: Inadequate encryption / Memory
CWE: CWE-326 / CWE-310
ATT&CK: T1600

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/05/2019 🔍
09/05/2019 +0 days 🔍
09/06/2019 +1 days 🔍
12/13/2023 +1559 days 🔍

Sourcesinfo

Advisory: 16824
Status: Not defined

CVE: CVE-2019-15947 (🔍)

Entryinfo

Created: 09/06/2019 11:06
Updated: 12/13/2023 10:01
Changes: 09/06/2019 11:06 (37), 08/13/2020 10:00 (17), 12/13/2023 10:01 (4)
Complete: 🔍

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