Red Hat Ansible Engine/Ansible Tower Decryption /tmp temp file

Summaryinfo

A vulnerability was found in Red Hat Ansible Engine and Ansible Tower. It has been rated as problematic. This affects an unknown function of the file /tmp of the component Decryption Handler. This manipulation causes temp file. This vulnerability is tracked as CVE-2020-10685. The attack is restricted to local execution. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Red Hat Ansible Engine and Ansible Tower. It has been declared as problematic. Affected by this vulnerability is an unknown function of the file /tmp of the component Decryption Handler. The manipulation with an unknown input leads to a temp file vulnerability. The CWE definition for the vulnerability is CWE-377. Creating and using insecure temporary files can leave application and system data vulnerable to attack. As an impact it is known to affect confidentiality. The summary by CVE is:

A flaw was found in Ansible Engine affecting Ansible Engine versions 2.7.x before 2.7.17 and 2.8.x before 2.8.11 and 2.9.x before 2.9.7 as well as Ansible Tower before and including versions 3.4.5 and 3.5.5 and 3.6.3 when using modules which decrypts vault files such as assemble, script, unarchive, win_copy, aws_s3 or copy modules. The temporary directory is created in /tmp leaves the s ts unencrypted. On Operating Systems which /tmp is not a tmpfs but part of the root partition, the directory is only cleared on boot and the decryp emains when the host is switched off. The system will be vulnerable when the system is not running. So decrypted data must be cleared as soon as possible and the data which normally is encrypted ble.

The weakness was disclosed 05/11/2020 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2020-10685 since 03/20/2020. Attacking locally is a requirement. The successful exploitation requires a single authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 247004 (Linux Distros Unpatched Vulnerability : CVE-2020-10685), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (247004). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

• Red Hat Ansible Engine up to 2.7.16/2.8.10/2.9.6
• Red Hat Ansible Tower up to 3.4.5/3.5.5/3.6.3

Productinfo

Vendor

• Red Hat

Name

• Ansible Engine
• Ansible Tower

License

• open-source

Website

• Vendor: https://www.redhat.com/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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