Alpaquita Linux
Security Advisory

CVE-2021-4122

Published: August 31, 2023Last modified: August 31, 2023

Description

It was found that a specially crafted LUKS header could trick cryptsetup into disabling encryption during the recovery of the device. An attacker with physical access to the medium, such as a flash disk, could use this flaw to force a user into permanently disabling the encryption layer of that medium.

Severity score breakdown

ParameterValue
Base score4.3
Attack VectorPHYSICAL
Attack complexityLOW
Privileges requiredNONE
User interactionREQUIRED
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactHIGH
Availability impactNONE
VectorCVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTScryptsetupNot affected (2.5.0-r2)
StreamcryptsetupNot affected (2.6.1-r8)

References

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