9.4
CRITICAL
CVE-2021-41591
ACINQ Eclair Off-Chain Payment Dusting Vulnerability
Description

ACINQ Eclair before 0.6.3 allows loss of funds because of dust HTLC exposure.

INFO

Published Date :

Oct. 4, 2021, 5:15 p.m.

Last Modified :

July 12, 2022, 5:42 p.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

5.5

Exploitability Score :

3.9
Public PoC/Exploit Available at Github

CVE-2021-41591 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2021-41591 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Acinq eclair
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-41591.

URL Resource
https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing Press/Media Coverage
https://github.com/ACINQ/eclair/pull/1985 Patch Third Party Advisory
https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html Mailing List Vendor Advisory
https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html Exploit Vendor Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
uvhw/conchimgiangnang

master

C++ HTML M4

Updated: 2 years, 1 month ago
1 stars 0 fork 0 watcher
Born at : Sept. 18, 2021, 3:33 a.m. This repo has been linked 46 different CVEs too.
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davidshares/Lightning-Network

List of Lightning Network technical issues, bugs, flaws, and exploits.

lightning-network

Updated: 1 month ago
97 stars 4 fork 4 watcher
Born at : March 29, 2021, 1:26 p.m. This repo has been linked 6 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-41591 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-41591 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CWE Remap by [email protected]

    Jul. 12, 2022

    Action Type Old Value New Value
    Changed CWE CWE-863 CWE-770
  • Initial Analysis by [email protected]

    Oct. 20, 2021

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
    Changed Reference Type https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing No Types Assigned https://bitcoinmagazine.com/technical/good-griefing-a-lingering-vulnerability-on-lightning-network-that-still-needs-fixing Press/Media Coverage
    Changed Reference Type https://github.com/ACINQ/eclair/pull/1985 No Types Assigned https://github.com/ACINQ/eclair/pull/1985 Patch, Third Party Advisory
    Changed Reference Type https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html No Types Assigned https://lists.linuxfoundation.org/pipermail/lightning-dev/2020-May/002714.html Mailing List, Vendor Advisory
    Changed Reference Type https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html No Types Assigned https://lists.linuxfoundation.org/pipermail/lightning-dev/2021-October/003257.html Exploit, Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration OR *cpe:2.3:a:acinq:eclair:*:*:*:*:*:*:*:* versions up to (excluding) 0.6.3
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-41591 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-41591 weaknesses.

CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.36 }} 0.04%

score

0.72473

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: