CVE-2024-38359

medium

Description

The Lightning Network Daemon (lnd) - is a complete implementation of a Lightning Network node. A parsing vulnerability in lnd's onion processing logic and lead to a DoS vector due to excessive memory allocation. The issue was patched in lnd v0.17.0. Users should update to a version > v0.17.0 to be protected. Users unable to upgrade may set the `--rejecthtlc` CLI flag and also disable forwarding on channels via the `UpdateChanPolicyCommand`, or disable listening on a public network interface via the `--nolisten` flag as a mitigation.

References

https://morehouse.github.io/lightning/lnd-onion-bomb

https://lightning.network

https://github.com/lightningnetwork/lnd/security/advisories/GHSA-9gxx-58q6-42p7

https://github.com/lightningnetwork/lnd/releases/tag/v0.17.0-beta

https://delvingbitcoin.org/t/dos-disclosure-lnd-onion-bomb/979

Details

Source: Mitre, NVD

Published: 2024-06-20

Updated: 2024-06-21

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium