Lucene search

MitreCVE-2020-6861

HistoryMay 06, 2020 - 2:15 p.m.

CVE-2020-6861

2020-05-0614:15:11

CWE-327

mitre

web.nvd.nist.gov

cve-2020-6861

ledger

monero

protocol design

local attacker

master spending key

security vulnerability

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.3

Confidence

High

EPSS

Percentile

5.1%

JSON

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.

Affected configurations

Nvd

Node

ledgernano_sMatch-

ledgernano_xMatch-

AND

ledgermoneroRange<1.5.1

VendorProductVersionCPE
ledgernano_s-cpe:2.3:h:ledger:nano_s:-:*:*:*:*:*:*:*
ledgernano_x-cpe:2.3:h:ledger:nano_x:-:*:*:*:*:*:*:*
ledgermonero*cpe:2.3:a:ledger:monero:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
ledger	nano_s	-	cpe:2.3:h:ledger:nano_s:-:::::::*
ledger	nano_x	-	cpe:2.3:h:ledger:nano_x:-:::::::*
ledger	monero	*	cpe:2.3:a:ledger:monero::::::::

References

deadcode.me/blog/2020/04/25/Ledger-Monero-app-spend-key-extraction.html

donjon.ledger.com/lsb/008/

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:L/AC:L/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

AI Score

5.3

Confidence

High

EPSS

Percentile

5.1%

JSON

Related for CVE-2020-6861