CVE-2023-7345
MEDIUMLedger Live hw-app-eth EIP-712 Message Parsing Integer Truncation
Title source: cnaDescription
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.
References (3)
Core 3
Core References
Vendor Advisory vendor-advisory
Ledger Security Bulletin 020
https://www.ledger.com/security-bulletin
Third Party Advisory third-party-advisory
https://www.vulncheck.com/advisories/ledger-live-hw-app-eth-eip-712-message-parsing-integer-truncation
Scores
CVSS v3
6.5
EPSS
0.0026
EPSS Percentile
17.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-704
Status
published
Products (2)
Ledger/Ledger Live
< 2.70.0
Ledger/ledgerhq/hw-app-eth
< 6.34.7
Published
May 19, 2026
Tracked Since
May 19, 2026