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Terraform allows arbitrary file write during the `init` operation

Moderate severity GitHub Reviewed Published Sep 8, 2023 to the GitHub Advisory Database • Updated Nov 7, 2023

Package

gomod github.com/hashicorp/terraform (Go)

Affected versions

>= 1.0.8, < 1.5.7

Patched versions

1.5.7

Description

Terraform version 1.0.8 through 1.5.6 allows arbitrary file write during the init operation if run on maliciously crafted Terraform configuration. This vulnerability is fixed in Terraform 1.5.7.

References

Published by the National Vulnerability Database Sep 8, 2023
Published to the GitHub Advisory Database Sep 8, 2023
Reviewed Sep 8, 2023
Last updated Nov 7, 2023

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
High
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:L/I:H/A:N

EPSS score

0.044%
(12th percentile)

Weaknesses

CVE ID

CVE-2023-4782

GHSA ID

GHSA-h626-pv66-hhm7

Source code

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