Vulnerability identifier: #VU85798

Vulnerability risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-50943

CWE-ID: CWE-254

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 user to bypass implemented security restrictions.

The vulnerability exists due to an error when processing untrusted input with "enable_xcom_pickling=False" configuration setting. A remote user with DAG author permissions can bypass the configuration setting and poison the XCom data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Airflow: 0.1 - 2.8.0

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External links
http://github.com/apache/airflow/pull/36255
http://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn
http://www.openwall.com/lists/oss-security/2024/01/24/4

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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.