Ansible up to 1.5.3 safe_eval input validation

Summaryinfo

A vulnerability, which was classified as very critical, was found in Ansible up to 1.5.3. Affected is the function safe_eval. Such manipulation leads to input validation. This vulnerability is listed as CVE-2014-4657. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Ansible up to 1.5.3 and classified as very critical. Affected by this issue is the function safe_eval. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The safe_eval function in Ansible before 1.5.4 does not properly restrict the code subset, which allows remote attackers to execute arbitrary code via crafted instructions.

The weakness was presented 04/22/2023. The advisory is available at github.com. This vulnerability is handled as CVE-2014-4657 since 06/25/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 06/10/2024).

The vulnerability scanner Nessus provides a plugin with the ID 79417 (GLSA-201411-09 : Ansible: Privilege escalation), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks.

Upgrading to version 1.5.4 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the databases at Tenable (79417) and SecurityFocus (BID 68232†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• Ansible

Version

• 1.5.0
• 1.5.1
• 1.5.2
• 1.5.3

Website

• Product: https://github.com/ansible/ansible/

CPE 2.3info

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CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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