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.
References
Link | Resource |
---|---|
https://access.redhat.com/security/cve/CVE-2021-4122 | Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2031859 | Permissions Required Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=2032401 | Issue Tracking Third Party Advisory |
https://gitlab.com/cryptsetup/cryptsetup/-/commit/0113ac2d889c5322659ad0596d4cfc6da53e356c | Patch Third Party Advisory |
https://mirrors.edge.kernel.org/pub/linux/utils/cryptsetup/v2.4/v2.4.3-ReleaseNotes | Release Notes Vendor Advisory |
History
No history.
MITRE Information
Status: PUBLISHED
Assigner: redhat
Published: 2022-08-24T15:08:58
Updated: 2022-08-24T15:08:58
Reserved: 2021-12-15T00:00:00
Link: CVE-2021-4122
JSON object: View
NVD Information
Status : Analyzed
Published: 2022-08-24T16:15:09.427
Modified: 2022-08-29T14:28:45.370
Link: CVE-2021-4122
JSON object: View
Redhat Information
No data.
CWE