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5.5
MEDIUM CVSS 3.1
CVE-2020-6861
Ledger Monero Protocol Design Flaw - Local Key Extraction
Description

A flawed protocol design in the Ledger Monero app before 1.5.1 for Ledger Nano and Ledger S devices allows a local attacker to extract the master spending key by sending crafted messages to this app selected on a PIN-entered Ledger connected to a host PC.

INFO

Published Date :

May 6, 2020, 2:15 p.m.

Last Modified :

Nov. 21, 2024, 5:36 a.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2020-6861 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 Ledger monero
2 Ledger nano_s
3 Ledger nano_x
: Total Affected Vendor : 1 | Products : 3
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
Public PoC/Exploit Available at Github

CVE-2020-6861 has a 5 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

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-2020-6861.

URL Resource
https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html Exploit Third Party Advisory
https://donjon.ledger.com/lsb/008/ Exploit Vendor Advisory
https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html Exploit Third Party Advisory
https://donjon.ledger.com/lsb/008/ Exploit Vendor Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2020-6861 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-2020-6861 weaknesses.

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
soosmile/POC

None

Updated: 5 months ago
9 stars 1 fork 1 watcher
Born at : June 21, 2022, 7:45 a.m. This repo has been linked 944 different CVEs too.
Profile Photo
developer3000S/PoC-in-GitHub

None

Updated: 2 months, 1 week ago
37 stars 4 fork 4 watcher
Born at : March 12, 2021, 12:22 p.m. This repo has been linked 1063 different CVEs too.
Profile Photo
hectorgie/PoC-in-GitHub

None

Updated: 5 months, 1 week ago
18 stars 10 fork 10 watcher
Born at : Jan. 2, 2021, 10:19 p.m. This repo has been linked 1053 different CVEs too.
Profile Photo
0xT11/CVE-POC

None

Updated: 2 months, 1 week ago
84 stars 31 fork 31 watcher
Born at : Oct. 2, 2020, 2:49 p.m. This repo has been linked 1114 different CVEs too.
Profile Photo
ph4r05/ledger-app-monero-1.42-vuln

PoC repository for CVE-2020-6861: Ledger Monero App Spend key Extraction

poc monero ledger spend-key vulnerability

Python Jupyter Notebook

Updated: 1 year ago
4 stars 0 fork 0 watcher
Born at : Jan. 3, 2020, 6:24 p.m. This repo has been linked 1 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-2020-6861 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2020-6861 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html
    Added Reference https://donjon.ledger.com/lsb/008/
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-200 CWE-327
  • Initial Analysis by [email protected]

    May. 12, 2020

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:N/A:N)
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
    Changed Reference Type https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html No Types Assigned https://deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html Exploit, Third Party Advisory
    Changed Reference Type https://donjon.ledger.com/lsb/008/ No Types Assigned https://donjon.ledger.com/lsb/008/ Exploit, Vendor Advisory
    Added CWE NIST CWE-200
    Added CPE Configuration AND OR *cpe:2.3:a:ledger:monero:*:*:*:*:*:*:*:* versions up to (excluding) 1.5.1 OR cpe:2.3:h:ledger:nano_s:-:*:*:*:*:*:*:* cpe:2.3:h:ledger:nano_x:-:*:*:*:*:*:*:*
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.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 2.1
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

0.59 }} -1.27%

score

0.66691

percentile