Vulnerability in Calamares
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.021 (81.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 81.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: +0.000
Affected products
Weakness classification (CWE)
References
- bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835096 (Third Party Advisory)
- bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1835095 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/calamares/calamares/issues/1191 (Exploit, Third Party Advisory, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- calamares.io/calamares-3.2.11-is-out/ (Vendor Advisory)
- calamares.io/calamares-cve-2019/ (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-13179?
- CVE-2019-13179 is a high-severity vulnerability in Calamares, classified under Insufficiently Protected Credentials. CVSS score: 7.5/10. Published 2019-07-02.
- How severe is CVE-2019-13179?
- High severity. CVSS v3 base score is 7.5 out of 10.