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Advisories

BTCPay Server < 2.4.2 LND Macaroon Credential File Disclosure

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Severity
critical
Date
Affecting

  • BTCPay Server < 2.4.2

CWE
  • CWE-552 Files or Directories Accessible to External Parties
  • CWE-522 Insufficiently Protected Credentials
CVSS
9.3
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
Credit
Craig Raw, Team Red
Description
BTCPay Server before 2.4.2, including 2.4.2 release candidates, contains an information disclosure vulnerability that allows unauthenticated remote attackers to retrieve .macaroon credential files for an LND (Lightning Network Daemon) node. Attackers can use the exposed macaroon to gain full control of the LND node, including moving funds, resulting in theft of funds from affected deployments.

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