CVE-2023-7345 Ledger Live hw-app-eth EIP-712 Message Parsing Integer Truncation
Attackers can manipulate EIP-712 message parsing to obtain signatures for unintended blockchain transactions, risking unauthorized asset transfers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-7345?
CVE-2023-7345 is a medium-severity vulnerability in Ledger Live, published on 19 May 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-704
Which versions are affected by CVE-2023-7345?
How do I fix CVE-2023-7345?
No fix has been published for CVE-2023-7345 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-7345 being exploited?
There is no known exploitation of CVE-2023-7345 in the wild and no public exploit code.
Sources
Also known as GHSA-m3cf-54jv-7mmj.