CVE-2023-42439: GeoNode GeoNode Vulnerable To SSRF Bypass Vulnerability

HIGH
Advisory Identifier: GHSA-pxg5-h34r-7q8p
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CVSS 7.5
CWE-918
Published
Advisory Summary

CVE-2023-42439 is a HIGH (CVSS 7.5) geonode vulnerable to ssrf bypass vulnerability (CWE-918: Server-Side Request Forgery (SSRF)) affecting GeoNode libraries in the PyPI ecosystem. The issue involves geonode vulnerable to ssrf bypass to return internal host data. Remediation is available by upgrading affected packages to version 4.1.3.post1.

CVE-2023-42439 at a Glance

CVE Identifier CVE-2023-42439
GHSA Identifier GHSA-pxg5-h34r-7q8p
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-918: Server-Side Request Forgery (SSRF)
Affected Product GeoNode
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 7.5

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

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

How to Fix CVE-2023-42439

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

GeoNode fixed: 4.1.3.post1 
pip install GeoNode>=4.1.3.post1
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 GeoNode

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2023-42439, inspect your installed packages using pip:

pip show GeoNode

Analyze the terminal output to locate any version of GeoNode in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.1.3.post1), your application is affected.

Note: The pip show GeoNode command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-918: Server-Side Request Forgery (SSRF), where the web server receives a url or similar request from an upstream component and retrieves the contents of this url, but it does not sufficiently ensure that the request is being sent to the expected destination. In GeoNode, 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

A SSRF vulnerability exists, bypassing existing controls on the software. This can allow a user to request internal services for a full read SSRF, returning any data from the internal network. the application is using a whitelist, but the whitelist can be bypassed with @ and encoded value of @ (%40) GET /proxy/?url=http://development.demo.geonode.org%40geoserver:8080/geoserver/web This will trick the application that the first host is a whitelisted address, but the browser will use @ or %40 as a credential to the host geoserver on port 8080, this will return the data to that host on the response. ![image](https://user-images.githubusercontent.com/35967437/264379628-8cecbc56-be6c-49dc-abe8-0baf8b8695cc.png)

CVE-2023-42439 Affected GeoNode Versions

1 component(s)
Fixed Versions:
4.1.3.post1
Product / Package Ecosystem Affected Versions Fixed Version
GeoNode
pypi/GeoNode
PyPI
≥ 3.2.0
< 4.1.3.post1
4.1.3.post1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/GeoNode/geonode/security/advisories/GHSA-pxg5-h34r-7q8p
NVD — CVE-2023-42439 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-42439
Security Fix Commit FIX COMMIT
https://github.com/GeoNode/geonode/commit/79ac6e70419c2e0261548bed91c159b54ff35b8d
GeoNode Source Repository REPOSITORY
https://github.com/GeoNode/geonode
GeoNode Release RELEASE
https://github.com/GeoNode/geonode/releases/tag/4.1.3
GeoNode Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/geonode/PYSEC-2023-176.yaml

Frequently Asked Questions

What is CVE-2023-42439?
CVE-2023-42439 is a security vulnerability in GeoNode involving GeoNode vulnerable to SSRF Bypass to return internal host data under CWE-918: Server-Side Request Forgery (SSRF).
Which GeoNode versions are affected?
Affected versions include releases prior to 4.1.3.post1 across affected packages: GeoNode.
What version fixes CVE-2023-42439?
Upgrading to 4.1.3.post1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is GeoNode affected?
Yes, GeoNode is affected in releases prior to 4.1.3.post1. Upgrade your dependency to 4.1.3.post1 or later.
What is the CVSS score of CVE-2023-42439?
CVE-2023-42439 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
What CWE is associated with CVE-2023-42439?
CVE-2023-42439 is classified under CWE-918: Server-Side Request Forgery (SSRF) (The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.).
How can I check PyPI dependencies for CVE-2023-42439?
Run the dependency tree command: 'pip show GeoNode'. 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-pxg5-h34r-7q8p",
  "modified" : "2024-09-20T19:59:58Z",
  "published" : "2023-09-20T23:04:44Z",
  "aliases" : [ "CVE-2023-42439" ],
  "summary" : "GeoNode vulnerable to SSRF Bypass to return internal host data",
  "details" : "A SSRF vulnerability exists, bypassing existing controls on the software. This can allow a user to request internal services for a full read SSRF, returning any data from the internal network.\n\nthe application is using a whitelist, but the whitelist can be bypassed with @ and encoded value of @ (%40) GET /proxy/?url=http://development.demo.geonode.org%40geoserver:8080/geoserver/web \nThis will trick the application that the first host is a whitelisted address, but the browser will use @ or %40 as a credential to the host geoserver on port 8080, this will return the data to that host on the response.\n\n![image](https://user-images.githubusercontent.com/35967437/264379628-8cecbc56-be6c-49dc-abe8-0baf8b8695cc.png)\n\n",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "GeoNode"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "3.2.0"
      }, {
        "fixed" : "4.1.3.post1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 4.1.2"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/GeoNode/geonode/security/advisories/GHSA-pxg5-h34r-7q8p"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-42439"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/GeoNode/geonode/commit/79ac6e70419c2e0261548bed91c159b54ff35b8d"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/GeoNode/geonode"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/GeoNode/geonode/releases/tag/4.1.3"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/geonode/PYSEC-2023-176.yaml"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-918" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-09-20T23:04:44Z",
    "nvd_published_at" : "2023-09-15T21:15:11Z"
  }
}