#VU31686 Insecure Default Variable Initialization in Apache Airflow


Published: 2020-07-20

Vulnerability identifier: #VU31686

Vulnerability risk: Medium

CVSSv3.1: 7.4 [CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-11982

CWE-ID: CWE-453

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Apache Airflow
Web applications / Modules and components for CMS

Vendor: Apache Foundation

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to the affected software, by default, initializes an internal variable with an insecure or less secure value than is possible. A remote authenticated attacker who can connect to the broker (Redis, RabbitMQ) directly can pass specially crafted data to the application and execute arbitrary code on the target system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Airflow: 0.1 - 1.10.10


External links
http://lists.apache.org/thread.html/r7255cf0be3566f23a768e2a04b40fb09e52fcd1872695428ba9afe91%40%3Cusers.airflow.apache.org%3E
http://github.com/apache/airflow/pull/7205


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.


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