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VAR-202305-0261

Vulnerability from variot - Updated: 2023-12-18 12:14

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

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CVE-2023-27892 (GCVE-0-2023-27892)

Vulnerability from cvelistv5 – Published: 2023-05-02 00:00 – Updated: 2025-01-30 16:42

Summary

Severity ?

3.8 (Low)


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

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/keepkey/keepkey-firmware/pull/337
	https://blog.inhq.net/posts/keepkey-CVE-2023-27892/

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

VAR-202305-0261

CVE-2023-27892 (GCVE-0-2023-27892)

Tags

Sightings

Nomenclature