Ansible Tower/Ansible Automation Platform toctou

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3$0-$5k0.00

A vulnerability classified as critical was found in Ansible Tower and Ansible Automation Platform (Automation Software) (affected version unknown). Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a race condition vulnerability. The CWE definition for the vulnerability is CWE-367. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

A flaw was found in Ansible if an ansible user sets ANSIBLE_ASYNC_DIR to a subdirectory of a world writable directory. When this occurs, there is a race condition on the managed machine. A malicious, non-privileged account on the remote machine can exploit the race condition to access the async result data. This flaw affects Ansible Tower 3.7 and Ansible Automation Platform 1.2.

The weakness was released 06/10/2021. It is possible to read the advisory at bugzilla.redhat.com. This vulnerability is known as CVE-2021-3533 since 05/03/2021. The exploitation appears to be easy. The attack can be launched remotely. The requirement for exploitation is a single authentication. The technical details are unknown and an exploit is not publicly available.

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

Productinfoedit

Type

Name

CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2infoedit

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfoedit

Class: Race condition
CWE: CWE-367
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfoedit

05/03/2021 CVE assigned
06/10/2021 +38 days Advisory disclosed
06/10/2021 +0 days VulDB entry created
06/12/2021 +2 days VulDB last update

Sourcesinfoedit

Advisory: bugzilla.redhat.com
Status: Not defined

CVE: CVE-2021-3533 (🔒)

Entryinfoedit

Created: 06/10/2021 07:39 AM
Updated: 06/12/2021 10:19 AM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍

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