CVE-2021-4122
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| n/a | cryptsetup | Fixed in cryptsetup 2.4.3, cryptsetup 2.3.7 | affected |
Weaknesses
- CWE-345: CWE-345 - Insufficient Verification of Data Authenticity
ADP Enrichment
CVE Program Container
Additional References
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401
- https://access.redhat.com/security/cve/CVE-2021-4122
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2031859
- https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes
- https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c
- https://bugzilla.redhat.com/show_bug.cgi?id=2032401
- https://access.redhat.com/security/cve/CVE-2021-4122
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