CVE-2022-23043: Tribalsystems/zenario File Upload Restriction Bypass Vulnerability

HIGH
Advisory Identifier: GHSA-6r86-2jm9-9mh4
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CVSS 7.2
CWE-434
Published
Advisory Summary

CVE-2022-23043 is a HIGH (CVSS 7.2) file upload restriction bypass vulnerability (CWE-434: Unrestricted Upload of File with Dangerous Type) affecting Tribalsystems/zenario libraries in the Packagist ecosystem. The issue involves file upload restriction bypass in zenario cms. Remediation is available by upgrading affected packages to version 9.2.55826.

CVE-2022-23043 at a Glance

CVE Identifier CVE-2022-23043
GHSA Identifier GHSA-6r86-2jm9-9mh4
Severity HIGH
CVSS v3.1 Base Score 7.2
CWE Classification CWE-434: Unrestricted Upload of File with Dangerous Type
Affected Product Tribalsystems/zenario
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.2

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:H/I:H/A:H).

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

How to Fix CVE-2022-23043

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

tribalsystems/zenario fixed: 9.2.55826 
Upgrade tribalsystems/zenario to 9.2.55826
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 tribalsystems/zenario

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-23043, inspect your project dependencies for Tribalsystems/zenario:

inspect dependencies for tribalsystems/zenario

Analyze the terminal output to locate any version of Tribalsystems/zenario in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 9.2.55826), 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-434: Unrestricted Upload of File with Dangerous Type, where the product allows the upload or transfer of dangerous file types that are automatically processed within its environment. In Tribalsystems/zenario, 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

Zenario CMS 9.2 allows an authenticated admin user to bypass the file upload restriction by creating a new 'File/MIME Types' using the '.phar' extension. Then an attacker can upload a malicious file, intercept the request and change the extension to '.phar' in order to run commands on the server.

CVE-2022-23043 Affected Tribalsystems/zenario Versions

1 component(s)
Fixed Versions:
9.2.55826
Product / Package Ecosystem Affected Versions Fixed Version
tribalsystems/zenario
 Packagist
< 9.2.55826
9.2.55826

References

NVD — CVE-2022-23043 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-23043
Security Fix Commit FIX COMMIT
https://github.com/TribalSystems/Zenario/commit/f0682d22688d9921dc0dfd6e858900ebf2706f19
fluidattacks.com/advisories/simone WEB
https://fluidattacks.com/advisories/simone
Tribalsystems/zenario Source Repository REPOSITORY
https://github.com/TribalSystems/Zenario
Tribalsystems/zenario Release RELEASE
https://github.com/TribalSystems/Zenario/releases/tag/9.2.55826

Frequently Asked Questions

What is CVE-2022-23043?
CVE-2022-23043 is a security vulnerability in Tribalsystems/zenario involving File upload restriction bypass in Zenario CMS under CWE-434: Unrestricted Upload of File with Dangerous Type.
Which Tribalsystems/zenario versions are affected?
Affected versions include releases prior to 9.2.55826 across affected packages: tribalsystems/zenario.
What version fixes CVE-2022-23043?
Upgrading to 9.2.55826 (or the latest patched release for your respective branch) resolves the vulnerability.
Is tribalsystems/zenario affected?
Yes, tribalsystems/zenario is affected in releases prior to 9.2.55826. Upgrade your dependency to 9.2.55826 or later.
What is the CVSS score of CVE-2022-23043?
CVE-2022-23043 has a CVSS v3.1 base score of 7.2 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2022-23043?
CVE-2022-23043 is classified under CWE-434: Unrestricted Upload of File with Dangerous Type (The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.).
How can I check Packagist dependencies for CVE-2022-23043?
Run the dependency tree command: 'inspect dependencies for tribalsystems/zenario'. 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-6r86-2jm9-9mh4",
  "modified" : "2022-03-04T21:39:12Z",
  "published" : "2022-02-25T00:01:07Z",
  "aliases" : [ "CVE-2022-23043" ],
  "summary" : "File upload restriction bypass in Zenario CMS",
  "details" : "Zenario CMS 9.2 allows an authenticated admin user to bypass the file upload restriction by creating a new 'File/MIME Types' using the '.phar' extension. Then an attacker can upload a malicious file, intercept the request and change the extension to '.phar' in order to run commands on the server.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "tribalsystems/zenario"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "9.2.55826"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-23043"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/TribalSystems/Zenario/commit/f0682d22688d9921dc0dfd6e858900ebf2706f19"
  }, {
    "type" : "WEB",
    "url" : "https://fluidattacks.com/advisories/simone"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/TribalSystems/Zenario"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/TribalSystems/Zenario/releases/tag/9.2.55826"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-434" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-02-25T17:55:05Z",
    "nvd_published_at" : "2022-02-24T15:15:00Z"
  }
}