Calamares versions 3.1 through 3.2.10 copies a LUKS encryption keyfile...
Vulnerability Description
Calamares versions 3.1 through 3.2.10 copies a LUKS encryption keyfile from /crypto_keyfile.bin (mode 0600 owned by root) to /boot within a globally readable initramfs image with insecure permissions, which allows this originally protected file to be read by any user, thereby disclosing decryption keys for LUKS containers created with Full Disk Encryption.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
Am I Vulnerable?
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835096
- https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835095
- https://github.com/calamares/calamares/issues/1191
- https://bugzilla.redhat.com/show_bug.cgi?id=1726542
- https://calamares.io/calamares-3.2.11-is-out/
- https://calamares.io/calamares-cve-2019/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q57BOTBA2J5U4GVKUP7N2PD5H7B3BVUU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2ZDQRGBGRVRW5LPJWKUNS3M66LZ3KYC/
Affected Vendor
calamares
View all reports →Affected Software
Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.