CVE-2019-13178

Severity: high (CVSS 8.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-07-02 · updated 2026-06-17
Weakness: CWE-362

Description

modules/luksbootkeyfile/main.py in Calamares versions 3.1 through 3.2.10 has a race condition between the time when the LUKS encryption keyfile is created and when secure permissions are set.

Affected products

Calamares: from 3.1 through 3.2.10

References

http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00017.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00020.html
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00021.html
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835095
https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835096
https://bugzilla.redhat.com/show_bug.cgi?id=1726565
https://calamares.io/calamares-3.2.11-is-out/
https://calamares.io/calamares-cve-2019/
https://github.com/calamares/calamares/issues/1190
https://github.com/calamares/calamares/issues/1191
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/

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