Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lightning Network Daemon Project | Lightning Network Daemon | 0.1 |
Related Weaknesses (CWE)
References
- https://gist.github.com/ariard/fb432a9d2cd3ba24fdc18ccc8c5c6eb4Third Party Advisory
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002856.htMailing ListThird Party Advisory
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002858.htMailing ListThird Party Advisory
- https://gist.github.com/ariard/fb432a9d2cd3ba24fdc18ccc8c5c6eb4Third Party Advisory
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002856.htMailing ListThird Party Advisory
- https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-October/002858.htMailing ListThird Party Advisory
FAQ
What is CVE-2020-26895?
CVE-2020-26895 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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...
How severe is CVE-2020-26895?
CVE-2020-26895 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-26895?
Check the references section above for vendor advisories and patch information. Affected products include: Lightning Network Daemon Project Lightning Network Daemon.