Calamares up to 3.2.4 Full Disk Encryption /crypto_keyfile.bin permission

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

A vulnerability was found in Calamares up to 3.2.4. It has been rated as critical. Affected by this issue is an unknown code of the file /crypto_keyfile.bin of the component Full Disk Encryption. The manipulation with an unknown input leads to a permission vulnerability. Using CWE to declare the problem leads to CWE-275. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Calamares through 3.2.4 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.

The weakness was shared 07/02/2019 (Website). The advisory is shared for download at lists.fedoraproject.org. This vulnerability is handled as CVE-2019-13179 since 07/02/2019. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1222.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entry VDB-137203 is related to this item.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Permission
CWE: CWE-275 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/02/2019 🔍
07/02/2019 +0 days 🔍
07/03/2019 +1 days 🔍
10/15/2023 +1565 days 🔍

Sourcesinfo

Advisory: 1191
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-13179 (🔍)
See also: 🔍

Entryinfo

Created: 07/03/2019 12:13 PM
Updated: 10/15/2023 02:30 PM
Changes: 07/03/2019 12:13 PM (54), 06/30/2020 07:26 AM (2), 10/15/2023 02:29 PM (3), 10/15/2023 02:30 PM (1)
Complete: 🔍
Cache ID: 18:83C:40

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