CVE-2020-26895 Business logic in n/a
Attackers can exploit signature validation flaws to broadcast invalid transactions, resulting in potential loss of funds for LND users.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-26895?
CVE-2020-26895 is a medium-severity vulnerability in n/a, published on 21 Oct 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-354
Which versions are affected by CVE-2020-26895?
It affects 1 product.
Products include Lightning Network Daemon Project Lightning Network Daemon.
How do I fix CVE-2020-26895?
No fix has been published for CVE-2020-26895 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-26895 being exploited?
There is no known exploitation of CVE-2020-26895 in the wild and no public exploit code.