CVE-2021-41592 Information

Description

Blockstream c-lightning through 0.10.1 allows loss of funds because of dust HTLC exposure.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Reference

https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing https://github.com/ElementsProject/lightning https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003264.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

LOW

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.4