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CVE-2019-13179

Date: July 2, 2019

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.

Language: C++

Severity Score

Related Resources (14)

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/
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835096
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835095
https://bugzilla.redhat.com/show_bug.cgi?id=1726542
https://security-tracker.debian.org/tracker/CVE-2019-13179
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q57BOTBA2J5U4GVKUP7N2PD5H7B3BVUU/
https://nvd.nist.gov/vuln/detail/CVE-2019-13179
https://calamares.io/calamares-3.2.11-is-out/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2ZDQRGBGRVRW5LPJWKUNS3M66LZ3KYC/
https://github.com/calamares/calamares/issues/1191
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13179
https://calamares.io/calamares-cve-2019/
https://www.mend.io/vulnerability-database/CVE-2019-13179

Severity Score

Weakness Type (CWE)

Permission Issues

CWE-275

Insufficiently Protected Credentials

CWE-522

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): NONE
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): NONE
Availability (A): NONE
Additional information:

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