cve-2022-39389
Vulnerability from cvelistv5
Published
2022-11-17 00:00
Modified
2025-04-22 16:07
Severity ?
8.2 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H
Summary
Lightning 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.
References
security-advisories@github.comhttps://github.com/lightningnetwork/lnd/issues/7096Exploit, Issue Tracking, Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/lightningnetwork/lnd/pull/7098Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/lightningnetwork/lnd/releases/tag/v0.15.4-betaRelease Notes, Third Party Advisory
security-advisories@github.comhttps://github.com/lightningnetwork/lnd/security/advisories/GHSA-hc82-w9v8-83prThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/lightningnetwork/lnd/issues/7096Exploit, Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/lightningnetwork/lnd/pull/7098Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/lightningnetwork/lnd/releases/tag/v0.15.4-betaRelease Notes, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/lightningnetwork/lnd/security/advisories/GHSA-hc82-w9v8-83prThird Party Advisory
Impacted products
Vendor Product Version
lightningnetwork lnd Version: < v0.15.4-beta
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