CVE-2023-7345
Deferred Deferred - Pending Action
Integer Parsing Flaw in Ledger Live EIP-712 Messages

Publication date: 2026-05-19

Last updated on: 2026-05-20

Assigner: VulnCheck

Description
Ledger Live with vulnerable versions of ledgerhq/hw-app-eth prior to 6.34.7 contains an integer parsing vulnerability that allows attackers to manipulate EIP-712 typed data messages by exploiting incorrect hexadecimal field parsing when values contain an odd number of characters. Attackers can obtain signatures on truncated or misinterpreted message values to authorize unintended blockchain transactions, such as asset transfers at incorrect amounts.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2026-05-19
Last Modified
2026-05-20
Generated
2026-06-10
AI Q&A
2026-05-20
EPSS Evaluated
2026-06-08
NVD
CVE-2023-7345
EUVD
EUVD-2023-60576
Affected Vendors & Products
Showing 1 associated CPE
Vendor Product Version / Range
ledgerhq hw-app-eth to 6.34.7 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-704 The product does not correctly convert an object, resource, or structure from one type to a different type.
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability exists in Ledger Live with vulnerable versions of ledgerhq/hw-app-eth prior to 6.34.7. It is an integer parsing vulnerability that allows attackers to manipulate EIP-712 typed data messages. The issue arises from incorrect parsing of hexadecimal fields when the values contain an odd number of characters.

Attackers can exploit this flaw to obtain signatures on truncated or misinterpreted message values, which can then be used to authorize unintended blockchain transactions, such as transferring assets in incorrect amounts.

Impact Analysis

This vulnerability can impact you by allowing attackers to manipulate blockchain transactions that you authorize. Specifically, attackers can cause you to sign messages that are truncated or misinterpreted, leading to unintended transactions such as asset transfers with incorrect amounts.

As a result, you may lose assets or have unauthorized transactions executed on your behalf without your full consent or knowledge.

Mitigation Strategies

To mitigate this vulnerability, update Ledger Live to version 2.70.0 or later and ensure the ledgerhq/hw-app-eth library is updated to version 6.34.7 or later.

These updates address the integer parsing vulnerability that allows attackers to manipulate EIP-712 typed data messages.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2023-7345. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart