Hashicorp Terraform up to 1.5.6 path traversal

Summaryinfo

A vulnerability was found in Hashicorp Terraform up to 1.5.6. It has been rated as critical. The affected element is an unknown function. The manipulation leads to path traversal. This vulnerability is uniquely identified as CVE-2023-4782. Local access is required to approach this attack. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Hashicorp Terraform up to 1.5.6. This issue affects an unknown function. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The weakness was disclosed 09/08/2023. It is possible to read the advisory at discuss.hashicorp.com. The identification of this vulnerability is CVE-2023-4782 since 09/05/2023. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 209262 (CBL Mariner 2.0 Security Update: terraform (CVE-2023-4782)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.5.7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (209262). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Hashicorp

Name

• Terraform

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3
• 1.5.4
• 1.5.5
• 1.5.6

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

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• 🔍
• 🔍

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Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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