CVE-2024-38359

Lightning Network Daemon Onion Bomb

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.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.76% Top 30%
Affected: lightningnetwork lnd
Published at:
Updated at:

References

Link Tags
https://github.com/lightningnetwork/lnd/security/advisories/GHSA-9gxx-58q6-42p7
https://delvingbitcoin.org/t/dos-disclosure-lnd-onion-bomb/979
https://github.com/lightningnetwork/lnd/releases/tag/v0.17.0-beta
https://lightning.network
https://morehouse.github.io/lightning/lnd-onion-bomb

Frequently Asked Questions

What is the severity of CVE-2024-38359?
CVE-2024-38359 has been scored as a medium severity vulnerability.
How to fix CVE-2024-38359?
To fix CVE-2024-38359, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-38359 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-38359 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-38359?
CVE-2024-38359 affects lightningnetwork lnd.
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