CVE-2022-39389

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Summary

CVECVE-2022-39389
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-11-17 22:15:00 UTC
Updated2022-11-22 16:49:00 UTC
DescriptionLightning Network Daemon (lnd) is an implementation of a lightning bitcoin overlay network node. All lnd nodes before version `v0.15.4` are vulnerable to a block parsing bug that can cause a node to enter a degraded state once encountered. In this degraded state, nodes can continue to make payments and forward HTLCs, and close out channels. Opening channels is prohibited, and also on chain transaction events will be undetected. This can cause loss of funds if a CSV expiry is researched during a breach attempt or a CLTV delta expires forgetting the funds in the HTLC. A patch is available in `lnd` version 0.15.4. Users are advised to upgrade. Users unable to upgrade may use the `lncli updatechanpolicy` RPC call to increase their CLTV value to a very high amount or increase their fee policies. This will prevent nodes from routing through your node, meaning that no pending HTLCs can be present.

Risk And Classification

Problem Types: CWE-20

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Btcd Project Btcd All All All All
Application Lightning Network Daemon Project Lightning Network Daemon All All All All

References

ReferenceSourceLinkTags
Release lnd v0.15.4-beta · lightningnetwork/lnd · GitHub MISC github.com
mod+build: bump btcd version to v0.23.3 and bump lnd version to v0.15.4-beta by guggero · Pull Request #7098 · lightningnetwork/lnd · GitHub MISC github.com
[bug]: CRITICAL! Unable to process chain reorg / too many witness items to fit into max message size · Issue #7096 · lightningnetwork/lnd · GitHub MISC github.com
Witness Block Parsing DoS Vulnerability · Advisory · lightningnetwork/lnd · GitHub CONFIRM github.com
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