CVE-2023-50943: airflow Insecure Deserialization — Fix

Description

Apache Airflow, versions before 2.8.1, have a vulnerability that allows a potential attacker to poison the XCom data by bypassing the protection of "enable_xcom_pickling=False" configuration setting resulting in poisoned data after XCom deserialization. This vulnerability is considered low since it requires a DAG author to exploit it. Users are recommended to upgrade to version 2.8.1 or later, which fixes this issue.

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CVSS v3.1 Score

7.5

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Weakness Type (CWE)

CWE-502 Deserialization of Untrusted Data

Affected Products

Vendor	Product	Versions
apache	airflow	< 2.8.1

References

Advisories & Patches

https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn https://lists.apache.org/thread/fx278v0twqzxkcts70tc04cp3f8p56pn

Other References

http://www.openwall.com/lists/oss-security/2024/01/24/4 https://github.com/apache/airflow/pull/36255 http://www.openwall.com/lists/oss-security/2024/01/24/4 https://github.com/apache/airflow/pull/36255

Frequently Asked Questions

What is CVE-2023-50943? +

Apache Airflow, versions before 2.8.1, have a vulnerability that allows a potential attacker to poison the XCom data by bypassing the protection of "enable_xcom_pickling=False" configuration setting resulting in poisoned data after XCom deserialization. This vulnerability is considered low since it requires a DAG author to exploit it. Users are recommended to upgrade to version 2.8.1 or later, which fixes this issue. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-50943? +

CVE-2023-50943 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-50943? +

CVE-2023-50943 affects products from apache, specifically: airflow. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-50943? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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