CVE-2019-13178
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 1.7% chance of exploitation in the next 30 days (EPSS).
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 1.7% in the next 30 days (EPSS).
- Severity: 8.1 HIGH (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 1.7% · EPSS, next 30 days
- Weakness
- CWE-362 · Race condition
- Record status
- Modified
Affected
- Calamares ≤ 3.2.10
Attack profile CVSS 3.0 · 8.1
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-13178.md and follow it. Check whether this project is affected by CVE-2019-13178. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
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/
- https://www.pavelkogan.com/2014/05/23/luks-full-disk-encryption/
- https://www.pavelkogan.com/2015/01/25/linux-mint-encryption/
- 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/