Ansible Engine/Ansible Tower Decryption /tmp temp file

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CVSS Meta Temp Score
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CTI Interest Score
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3.7$0-$5k0.00

A vulnerability was found in 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 privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-377. 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.

Upgrading eliminates this vulnerability.

Affectededit

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

Productinfoedit

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 3.9
VulDB Meta Temp Score: 3.7

VulDB Base Score: 2.8
VulDB Temp Score: 2.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.0
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Privilege escalation
CWE: CWE-377
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: bugzilla.redhat.com

Timelineinfoedit

03/20/2020 🔍
05/11/2020 +52 days 🔍
05/12/2020 +1 days 🔍
10/16/2020 +157 days 🔍

Sourcesinfoedit

Advisory: bugzilla.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-10685 (🔍)

Entryinfoedit

Created: 05/12/2020 07:43 AM
Updated: 10/16/2020 02:07 PM
Changes: (1) source_cve_cna
Complete: 🔍

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