Vulnerability in Calamares
CVE-2019-13178
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.
Vulnerability class: Race Condition
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/calamares/calamares/issues/1190 (Third Party Advisory, Issue Tracking)
- 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)
- www.pavelkogan.com/2014/05/23/luks-full-disk-encryption/ (Third Party Advisory)
- www.pavelkogan.com/2015/01/25/linux-mint-encryption/ (Third Party Advisory)
- 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/ (Third Party Advisory)
- calamares.io/calamares-cve-2019/ (Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2019-13178?
- CVE-2019-13178 is a high-severity vulnerability in Calamares, classified under Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition). CVSS score: 8.1/10. Published 2019-07-02.
- How severe is CVE-2019-13178?
- High severity. CVSS v3 base score is 8.1 out of 10.