CVE-2019-13179

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.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector : AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://github.com/calamares/calamares/issues/1191	Exploit Issue Tracking Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835096	Third Party Advisory
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835095	Exploit Issue Tracking Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1726542	Issue Tracking Third Party Advisory
https://calamares.io/calamares-cve-2019/	Vendor Advisory
https://calamares.io/calamares-3.2.11-is-out/	Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q57BOTBA2J5U4GVKUP7N2PD5H7B3BVUU/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R2ZDQRGBGRVRW5LPJWKUNS3M66LZ3KYC/

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Configurations

Configuration 1 (hide)

cpe:2.3:a:calamares:calamares:*:*:*:*:*:*:*:*

Information

Published : 2019-07-02 16:15

Updated : 2020-08-24 10:37

NVD link : CVE-2019-13179

Mitre link : CVE-2019-13179

JSON object : View

CWE

CWE-522

Insufficiently Protected Credentials

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Products Affected

calamares

calamares

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