Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

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CVE-2020-1740

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
16/03/2020
Last modified:
07/11/2023

Description

A flaw was found in Ansible Engine when using Ansible Vault for editing encrypted files. When a user executes "ansible-vault edit", another user on the same computer can read the old and new secret, as it is created in a temporary file with mkstemp and the returned file descriptor is closed and the method write_data is called to write the existing secret in the file. This method will delete the file before recreating it insecurely. All versions in 2.7.x, 2.8.x and 2.9.x branches are believed to be vulnerable.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.70 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): High
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): None

Base Score 3.x
4.70
Severity 3.x
MEDIUM
Vector 2.0
AV:L/AC:M/Au:N/C:P/I:N/A:N CVSS v2.0 Severity and Metrics:

Base Score: 1.90 LOW
Vector: AV:L/AC:M/Au:N/C:P/I:N/A:N

Attack Vector (AV): Local
Attack Complexity (AC): Medium
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): None

Base Score 2.0
1.90
Severity 2.0
LOW

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* 2.7.17 (excluding)
cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* 2.8.0 (including) 2.8.11 (excluding)
cpe:2.3:a:redhat:ansible:*:*:*:*:*:*:*:* 2.9.0 (including) 2.9.7 (excluding)
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.3.4 (including)
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.3.5 (including) 3.4.5 (including)
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.5.0 (including) 3.5.5 (including)
cpe:2.3:a:redhat:ansible_tower:*:*:*:*:*:*:*:* 3.6.0 (including) 3.6.3 (including)
cpe:2.3:a:redhat:cloudforms_management_engine:5.0:*:*:*:*:*:*:*
cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools