CVE-2022-25337: Ezsystems/ezpublish kernel Code Injection Vulnerability

CRITICAL
Advisory Identifier: GHSA-xwv6-v7qx-f5jc
Share
CVSS 9.8
CWE-74
Published
Advisory Summary

CVE-2022-25337 is a CRITICAL (CVSS 9.8) code injection vulnerability (CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')) affecting Ezsystems/ezpublish kernel libraries in the Packagist ecosystem. The issue involves code injection in ezsystems/ezpublish-kernel. Remediation is available by upgrading affected packages to version 7.5.26.

CVE-2022-25337 at a Glance

CVE Identifier CVE-2022-25337
GHSA Identifier GHSA-xwv6-v7qx-f5jc
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Affected Product Ezsystems/ezpublish kernel
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.8

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:H/A:H).

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 High (I:H)
Availability High (A:H)

How to Fix CVE-2022-25337

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

ezsystems/ezpublish-kernel fixed: 7.5.26 
Upgrade ezsystems/ezpublish-kernel to 7.5.26
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 ezsystems/ezpublish-kernel

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-25337, inspect your project dependencies for Ezsystems/ezpublish kernel:

inspect dependencies for ezsystems/ezpublish-kernel

Analyze the terminal output to locate any version of Ezsystems/ezpublish kernel in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 7.5.26), 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-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection'), where the product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component. In Ezsystems/ezpublish kernel, 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

When image files are uploaded, they are made accessible under a name similar to the original file name. There are two issues with this. Both require access to uploading images in order to exploit them, this limits the impact. The first issue is that certain injection attacks can be possible, since not all possible attack vectors are removed from the original file name. The second issue is that direct access to the images is not access controlled. This is by design, for performance reasons, and documented as such. But it does mean that images not meant to be publicly accessible can be accessed, provided that the image path and filename is correctly deduced and/or guessed, through dictionary attacks and similar.

CVE-2022-25337 Affected Ezsystems/ezpublish kernel Versions

1 component(s)
Fixed Versions:
7.5.26
Product / Package Ecosystem Affected Versions Fixed Version
ezsystems/ezpublish-kernel
 Packagist
≥ 7.5.0
< 7.5.26
7.5.26

References

NVD — CVE-2022-25337 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-25337
Ezsystems/ezpublish kernel Security Information SECURITY
https://developers.ibexa.co/security-advisories/ibexa-sa-2022-001-image-filenames-sanitization
Ezsystems/ezpublish kernel Source Repository REPOSITORY
https://github.com/ezsystems/ezpublish-kernel

Frequently Asked Questions

What is CVE-2022-25337?
CVE-2022-25337 is a security vulnerability in Ezsystems/ezpublish kernel involving Code injection in ezsystems/ezpublish-kernel under CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection').
Which Ezsystems/ezpublish kernel versions are affected?
Affected versions include releases prior to 7.5.26 across affected packages: ezsystems/ezpublish-kernel.
What version fixes CVE-2022-25337?
Upgrading to 7.5.26 (or the latest patched release for your respective branch) resolves the vulnerability.
Is ezsystems/ezpublish-kernel affected?
Yes, ezsystems/ezpublish-kernel is affected in releases prior to 7.5.26. Upgrade your dependency to 7.5.26 or later.
What is the CVSS score of CVE-2022-25337?
CVE-2022-25337 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-25337?
CVE-2022-25337 is classified under CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.).
How can I check Packagist dependencies for CVE-2022-25337?
Run the dependency tree command: 'inspect dependencies for ezsystems/ezpublish-kernel'. 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-xwv6-v7qx-f5jc",
  "modified" : "2022-03-04T21:37:26Z",
  "published" : "2022-02-19T00:01:25Z",
  "aliases" : [ "CVE-2022-25337" ],
  "summary" : "Code injection in ezsystems/ezpublish-kernel",
  "details" : "When image files are uploaded, they are made accessible under a name similar to the original file name. There are two issues with this. Both require access to uploading images in order to exploit them, this limits the impact. The first issue is that certain injection attacks can be possible, since not all possible attack vectors are removed from the original file name.\n\nThe second issue is that direct access to the images is not access controlled. This is by design, for performance reasons, and documented as such. But it does mean that images not meant to be publicly accessible can be accessed, provided that the image path and filename is correctly deduced and/or guessed, through dictionary attacks and similar.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "ezsystems/ezpublish-kernel"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "7.5.0"
      }, {
        "fixed" : "7.5.26"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-25337"
  }, {
    "type" : "WEB",
    "url" : "https://developers.ibexa.co/security-advisories/ibexa-sa-2022-001-image-filenames-sanitization"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/ezsystems/ezpublish-kernel"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-74" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-03-04T21:37:26Z",
    "nvd_published_at" : "2022-02-18T18:15:00Z"
  }
}