CVE-2024-29733: Apache airflow providers ftp Improper Certificate Validation Vulnerability

LOW
Advisory Identifier: GHSA-3gg8-mc87-cq3h
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CVSS 2.7
CWE-295
Published
Advisory Summary

CVE-2024-29733 is a LOW (CVSS 2.7) improper certificate validation vulnerability (CWE-295: Improper Certificate Validation) affecting Apache airflow providers ftp libraries in the PyPI ecosystem. The issue involves improper certificate validation vulnerability in apache airflow ftp provider. Remediation is available by upgrading affected packages to version 3.7.0.

CVE-2024-29733 at a Glance

CVE Identifier CVE-2024-29733
GHSA Identifier GHSA-3gg8-mc87-cq3h
Severity LOW
CVSS v3.1 Base Score 2.7
CWE Classification CWE-295: Improper Certificate Validation
Affected Product Apache airflow providers ftp
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 2.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required High (PR:H)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2024-29733

To remediate this vulnerability, upgrade all affected Apache airflow providers ftp dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

apache-airflow-providers-ftp fixed: 3.7.0 
pip install apache-airflow-providers-ftp>=3.7.0
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show apache-airflow-providers-ftp

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2024-29733, inspect your installed packages using pip:

pip show apache-airflow-providers-ftp

Analyze the terminal output to locate any version of Apache airflow providers ftp in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.7.0), your application is affected.

Note: The pip show apache-airflow-providers-ftp command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Apache airflow providers ftp, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

Improper Certificate Validation vulnerability in Apache Airflow FTP Provider. The FTP hook lacks complete certificate validation in FTP_TLS connections, which can potentially be leveraged. Implementing proper certificate validation by passing context=ssl.create_default_context() during FTP_TLS instantiation is used as mitigation to validate the certificates properly. This issue affects Apache Airflow FTP Provider: before 3.7.0. Users are recommended to upgrade to version 3.7.0, which fixes the issue.

CVE-2024-29733 Affected Apache airflow providers ftp Versions

1 component(s)
Fixed Versions:
3.7.0
Product / Package Ecosystem Affected Versions Fixed Version
apache-airflow-providers-ftp
pypi/apache-airflow-providers-ftp
PyPI
< 3.7.0
3.7.0

References

NVD — CVE-2024-29733 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-29733
Apache airflow providers ftp Source Repository REPOSITORY
https://github.com/apache/airflow/pull/38266
docs.python.org/3/library/ssl.html WEB
https://docs.python.org/3/library/ssl.html#best-defaults
Apache airflow providers ftp Source Repository REPOSITORY
https://github.com/apache/airflow
Apache airflow providers ftp Source Repository REPOSITORY
https://github.com/apache/airflow/blob/95e26118b828c364755f3a8c96870f3591b01c31/airflow/providers/ftp/hooks/ftp.py#L280
lists.apache.org/thread/265t5zbmtjs6... WEB
https://lists.apache.org/thread/265t5zbmtjs6h9fkw52wtp03nsbplky2
Apache airflow providers ftp Security Information SECURITY
http://www.openwall.com/lists/oss-security/2024/04/19/3

Frequently Asked Questions

What is CVE-2024-29733?
CVE-2024-29733 is a security vulnerability in Apache airflow providers ftp involving Improper Certificate Validation vulnerability in Apache Airflow FTP Provider under CWE-295: Improper Certificate Validation.
Which Apache airflow providers ftp versions are affected?
Affected versions include releases prior to 3.7.0 across affected packages: apache-airflow-providers-ftp.
What version fixes CVE-2024-29733?
Upgrading to 3.7.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is apache-airflow-providers-ftp affected?
Yes, apache-airflow-providers-ftp is affected in releases prior to 3.7.0. Upgrade your dependency to 3.7.0 or later.
What is the CVSS score of CVE-2024-29733?
CVE-2024-29733 has a CVSS v3.1 base score of 2.7 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2024-29733?
CVE-2024-29733 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).
How can I check PyPI dependencies for CVE-2024-29733?
Run the dependency tree command: 'pip show apache-airflow-providers-ftp'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-3gg8-mc87-cq3h",
  "modified" : "2024-07-03T20:40:29Z",
  "published" : "2024-04-21T18:30:36Z",
  "aliases" : [ "CVE-2024-29733" ],
  "summary" : "Improper Certificate Validation vulnerability in Apache Airflow FTP Provider",
  "details" : "Improper Certificate Validation vulnerability in Apache Airflow FTP Provider.\n\nThe FTP hook lacks complete certificate validation in FTP_TLS connections, which can potentially be leveraged. Implementing proper certificate validation by passing context=ssl.create_default_context() during FTP_TLS instantiation is used as mitigation to validate the certificates properly.\n\nThis issue affects Apache Airflow FTP Provider: before 3.7.0.\n\nUsers are recommended to upgrade to version 3.7.0, which fixes the issue.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "apache-airflow-providers-ftp"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.7.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-29733"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/apache/airflow/pull/38266"
  }, {
    "type" : "WEB",
    "url" : "https://docs.python.org/3/library/ssl.html#best-defaults"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/apache/airflow"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/apache/airflow/blob/95e26118b828c364755f3a8c96870f3591b01c31/airflow/providers/ftp/hooks/ftp.py#L280"
  }, {
    "type" : "WEB",
    "url" : "https://lists.apache.org/thread/265t5zbmtjs6h9fkw52wtp03nsbplky2"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2024/04/19/3"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-24T19:52:02Z",
    "nvd_published_at" : "2024-04-21T18:15:45Z"
  }
}