Denial of service in Bitcoin Core



Published: 2020-09-14
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2020-14198
CWE ID CWE-399
Exploitation vector Network
Public exploit N/A
Vulnerable software
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bitcoin
Other software / Other software solutions

Vendor Bitcoin

Security Advisory

This security advisory describes one medium risk vulnerability.

1) Resource management error

Risk: Medium

CVSSv3: 6.5 [CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID: CVE-2020-14198

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources with the applicatoin. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

bitcoin: 0.20.0

CPE External links

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2020-14198
https://github.com/bitcoin/bitcoin/commits/master

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.