Red Hat Ansible Template injection

Summaryinfo

A vulnerability described as problematic has been identified in Red Hat Ansible. This vulnerability affects unknown code of the component Template Handler. The manipulation results in injection. This vulnerability was named CVE-2023-5764. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in Red Hat Ansible (unknown version). Affected is an unknown code block of the component Template Handler. The manipulation with an unknown input leads to a injection vulnerability. CWE is classifying the issue as CWE-74. The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. This is going to have an impact on integrity. CVE summarizes:

A template injection flaw was found in Ansible where a user's controller internal templating operations may remove the unsafe designation from template data. This issue could allow an attacker to use a specially crafted file to introduce templating injection when supplying templating data.

The weakness was presented 11/02/2023. The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2023-5764 since 10/25/2023. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/02/2025). The MITRE ATT&CK project declares the attack technique as T1055.

The vulnerability scanner Nessus provides a plugin with the ID 266241 (NewStart CGSL MAIN 6.06 : ansible-core Multiple Vulnerabilities (NS-SA-2025-0244)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the vulnerability database at Tenable (266241). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

• Red Hat

Name

• Ansible

License

• open-source

Website

• Vendor: https://www.redhat.com/

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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