CVE-2024-22050: Iodine Path Traversal Vulnerability

HIGH
Advisory Identifier: GHSA-85rf-xh54-whp3
Share
CVSS 7.5
CWE-22
Published
Advisory Summary

CVE-2024-22050 is a HIGH (CVSS 7.5) path traversal vulnerability (CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) affecting Iodine libraries in the RubyGems ecosystem. The issue involves malicious url drafting attack against iodines static file server may allow path traversal. Remediation is available by upgrading affected packages to version 0.7.34.

CVE-2024-22050 at a Glance

CVE Identifier CVE-2024-22050
GHSA Identifier GHSA-85rf-xh54-whp3
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Product Iodine
Package Ecosystem RubyGems
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-2024-22050

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

iodine fixed: 0.7.34 
Upgrade iodine to 0.7.34
Verify Direct and Transitive Dependencies

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

inspect dependencies for iodine

How to Check if You Are Affected

To determine whether your application is affected by CVE-2024-22050, inspect your project dependencies for Iodine:

inspect dependencies for iodine

Analyze the terminal output to locate any version of Iodine in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.7.34), your application is affected.

Note: Verify declared build manifests and deployed runtime container environments.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), where the product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. In Iodine, 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

### Impact A path traversal vulnerability was detected in iodine's static file service. This vulnerability effects any application running iodine's static file server on an effected iodine version. Malicious URL drafting may cause the static file server to attempt a response containing data from files that shouldn't be normally accessible from the public folder. ### Patches The vulnerability was patched in version 0.7.34. Please upgrade to the latest version. ### Workarounds A possible workaround would be to disable the static file service and it's `X-Sendfile` support, sending static files using nginx or a source code solution (sending the data dynamically). However, it would be better to upgrade iodine to the latest version, as it also contains non-security related fixes. ### For more information If you have any questions or comments about this advisory: * Email [Boaz Segev](https://github.com/boazsegev)

CVE-2024-22050 Affected Iodine Versions

1 component(s)
Fixed Versions:
0.7.34
Product / Package Ecosystem Affected Versions Fixed Version
iodine
gem/iodine
RubyGems
< 0.7.34
0.7.34

References

GitHub Advisory / Wiki ADVISORY
https://github.com/boazsegev/iodine/security/advisories/GHSA-85rf-xh54-whp3
NVD — CVE-2024-22050 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-22050
Security Fix Commit FIX COMMIT
https://github.com/boazsegev/iodine/commit/5558233fb7defda706b4f9c87c17759705949889
Iodine Source Repository REPOSITORY
https://github.com/boazsegev/iodine
Iodine Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/iodine/CVE-2024-22050.yml

Frequently Asked Questions

What is CVE-2024-22050?
CVE-2024-22050 is a security vulnerability in Iodine involving Malicious URL drafting attack against iodines static file server may allow path traversal under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').
Which Iodine versions are affected?
Affected versions include releases prior to 0.7.34 across affected packages: iodine.
What version fixes CVE-2024-22050?
Upgrading to 0.7.34 (or the latest patched release for your respective branch) resolves the vulnerability.
Is iodine affected?
Yes, iodine is affected in releases prior to 0.7.34. Upgrade your dependency to 0.7.34 or later.
What is the CVSS score of CVE-2024-22050?
CVE-2024-22050 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-2024-22050?
CVE-2024-22050 is classified under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') (The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.).
How can I check RubyGems dependencies for CVE-2024-22050?
Run the dependency tree command: 'inspect dependencies for iodine'. 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-85rf-xh54-whp3",
  "modified" : "2025-11-15T03:10:40Z",
  "published" : "2019-10-07T16:52:13Z",
  "aliases" : [ "CVE-2024-22050" ],
  "summary" : "Malicious URL drafting attack against iodines static file server may allow path traversal",
  "details" : "### Impact\n\nA path traversal vulnerability was detected in iodine's static file service. This vulnerability effects any application running iodine's static file server on an effected iodine version.\n\nMalicious URL drafting may cause the static file server to attempt a response containing data from files that shouldn't be normally accessible from the public folder.\n\n### Patches\n\nThe vulnerability was patched in version 0.7.34. Please upgrade to the latest version.\n\n### Workarounds\n\nA possible workaround would be to disable the static file service and it's `X-Sendfile` support, sending static files using nginx or a source code solution (sending the data dynamically).\n\nHowever, it would be better to upgrade iodine to the latest version, as it also contains non-security related fixes.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Email [Boaz Segev](https://github.com/boazsegev)",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "iodine"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.7.34"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/boazsegev/iodine/security/advisories/GHSA-85rf-xh54-whp3"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-22050"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/boazsegev/iodine/commit/5558233fb7defda706b4f9c87c17759705949889"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/boazsegev/iodine"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/iodine/CVE-2024-22050.yml"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-22" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-04-24T20:13:10Z",
    "nvd_published_at" : null
  }
}