CVE-2023-27892 - CVE House
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Status published Low CVE-2023-27892

Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware...

Vulnerability Description

Insufficient length checks in the ShapeShift KeepKey hardware wallet firmware before 7.7.0 allow a global buffer overflow via crafted messages. Flaws in cf_confirmExecTx() in ethereum_contracts.c can be used to reveal arbitrary microcontroller memory on the device screen or crash the device. With physical access to a PIN-unlocked device, attackers can extract the BIP39 mnemonic secret from the hardware wallet.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Unknown
Vulnerable Versions:
Unknown

Timeline

Official Publish: May 2nd, 2023
Last Modified: January 30th, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AC:H/AV:P/A:N/C:H/I:N/PR:H/S:U/UI:N

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.