Apache Airflow up to 1.10.10 os command injection

Summaryinfo

A vulnerability categorized as critical has been discovered in Apache Airflow up to 1.10.10. This impacts an unknown function. Such manipulation leads to os command injection. This vulnerability is traded as CVE-2020-11978. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability was found in Apache Airflow up to 1.10.10 and classified as critical. Affected by this issue is an unknown functionality. The manipulation with an unknown input leads to a os command injection vulnerability. Using CWE to declare the problem leads to CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was found in Apache Airflow versions 1.10.10 and below. A remote code/command injection vulnerability was discovered in one of the example DAGs shipped with Airflow which would allow any authenticated user to run arbitrary commands as the user running airflow worker/scheduler (depending on the executor in use). If you already have examples disabled by setting load_examples=False in the config then you are not vulnerable.

The weakness was shared 07/17/2020 (Website). The advisory is shared for download at lists.apache.org. This vulnerability is handled as CVE-2020-11978 since 04/21/2020. The exploitation is known to be easy. The attack may be launched remotely. The successful exploitation needs a simple authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

The exploit is available at exploit-db.com. It is declared as attacked. As 0-day the estimated underground price was around $5k-$25k. This issue was added on 01/18/2022 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 07/18/2022:

Apply updates per vendor instructions.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (49927). The entries VDB-158685, VDB-158686, VDB-158687 and VDB-158733 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Business Process Management Software

Vendor

• Apache

Name

• Airflow

Version

• 1.10.0
• 1.10.1
• 1.10.2
• 1.10.3
• 1.10.4
• 1.10.5
• 1.10.6
• 1.10.7
• 1.10.8
• 1.10.9
• 1.10.10

License

• open-source

Website

• Vendor: https://www.apache.org/

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Once again VulDB remains the best source for vulnerability data.

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