Vulnerability Details CVE-2020-26895
Prior to 0.10.0-beta, LND (Lightning Network Daemon) would have accepted a counterparty high-S signature and broadcast tx-relay invalid local commitment/HTLC transactions. This can be exploited by any peer with an open channel regardless of the victim situation (e.g., routing node, payment-receiver, or payment-sender). The impact is a loss of funds in certain situations.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 36.1%
CVSS Severity
CVSS v3 Score 5.3
CVSS v2 Score 5.0
References
- https://gist.github.com/ariard/fb432a9d2cd3ba24fdc18ccc8c5c6eb4
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002856.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002858.html
- https://gist.github.com/ariard/fb432a9d2cd3ba24fdc18ccc8c5c6eb4
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002856.html
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002858.html
Products affected by CVE-2020-26895
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.1.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.10.0
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.2
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.2.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.3
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.4
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.4.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.4.2
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.5
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.5.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.5.2
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.6
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.6.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.7.0
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.7.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.8.0
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.8.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.8.2
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.9.0
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.9.1
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cpe:2.3:a:lightning_network_daemon_project:lightning_network_daemon:0.9.2