Security restrictions bypass in BTCPay Server

1) Security restrictions bypass

EUVDB-ID: #VU57964

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass implemented security restrictions.

The vulnerability exists due to unspecified vulnerability that impacts owner of shared instances which share their internal lightning nodes. No additional information was shared by the vendor at the time of writing.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BTCPay Server: 1.3.0 - 1.3.1

External links

http://github.com/btcpayserver/btcpayserver/releases/tag/v1.3.2

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

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