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CVE-2019-13178

Date: July 2, 2019

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.

Language: C++

Severity Score

Related Resources (20)

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
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00020.html
https://bugzilla.redhat.com/show_bug.cgi?id=1726565
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q57BOTBA2J5U4GVKUP7N2PD5H7B3BVUU/
https://nvd.nist.gov/vuln/detail/CVE-2019-13178
https://calamares.io/calamares-3.2.11-is-out/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R2ZDQRGBGRVRW5LPJWKUNS3M66LZ3KYC/
https://security-tracker.debian.org/tracker/CVE-2019-13178
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00021.html
https://github.com/calamares/calamares/issues/1191
https://github.com/calamares/calamares/issues/1190
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13178
https://www.pavelkogan.com/2015/01/25/linux-mint-encryption/
https://calamares.io/calamares-cve-2019/
https://www.pavelkogan.com/2014/05/23/luks-full-disk-encryption/
http://lists.opensuse.org/opensuse-security-announce/2019-12/msg00017.html
https://www.mend.io/vulnerability-database/CVE-2019-13178

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

CVSS v3.1

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

CVSS v2

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

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