CVE-2021-25971: Camaleon cms Camaleon CMS Vulnerable To Uncaught Vulnerability

MODERATE
Advisory Identifier: GHSA-r2w2-h6r8-3r53
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CVSS 4.3
CWE-248
Published
Advisory Summary

CVE-2021-25971 is a MODERATE (CVSS 4.3) camaleon cms vulnerable to uncaught vulnerability (CWE-248: Uncaught Exception) affecting Camaleon cms libraries in the RubyGems ecosystem. The issue involves camaleon cms vulnerable to uncaught exception. Remediation is available by upgrading affected packages to version 2.6.0.1.

CVE-2021-25971 at a Glance

CVE Identifier CVE-2021-25971
GHSA Identifier GHSA-r2w2-h6r8-3r53
Severity MODERATE
CVSS v3.1 Base Score 4.3
CWE Classification CWE-248: Uncaught Exception
Affected Product Camaleon cms
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 4.3

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

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

How to Fix CVE-2021-25971

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

camaleon_cms fixed: 2.6.0.1 
Upgrade camaleon_cms to 2.6.0.1
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 camaleon_cms

How to Check if You Are Affected

To determine whether your application is affected by CVE-2021-25971, inspect your project dependencies for Camaleon cms:

inspect dependencies for camaleon_cms

Analyze the terminal output to locate any version of Camaleon cms in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2.6.0.1), 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-248: Uncaught Exception, where an exception is thrown from a function, but it is not caught. In Camaleon cms, 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

In Camaleon CMS, versions 2.0.1 through 2.6.0 are vulnerable to an Uncaught Exception. The app's media upload feature crashes permanently when an attacker with a low privileged access uploads a specially crafted .svg file.

CVE-2021-25971 Affected Camaleon cms Versions

1 component(s)
Fixed Versions:
2.6.0.1
Product / Package Ecosystem Affected Versions Fixed Version
camaleon_cms
gem/camaleon_cms
RubyGems
≥ 2.0.1
< 2.6.0.1
2.6.0.1

References

NVD — CVE-2021-25971 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-25971
Security Fix Commit FIX COMMIT
https://github.com/owen2345/camaleon-cms/commit/ab89584ab32b98a0af3d711e3f508a1d048147d2
Camaleon cms Source Repository REPOSITORY
https://github.com/owen2345/camaleon-cms
Camaleon cms Source Repository REPOSITORY
https://github.com/rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2021-25971.yml
www.whitesourcesoftware.com/vulnerability-datab... WEB
https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25971

Frequently Asked Questions

What is CVE-2021-25971?
CVE-2021-25971 is a security vulnerability in Camaleon cms involving Camaleon CMS vulnerable to Uncaught Exception under CWE-248: Uncaught Exception.
Which Camaleon cms versions are affected?
Affected versions include releases prior to 2.6.0.1 across affected packages: camaleon_cms.
What version fixes CVE-2021-25971?
Upgrading to 2.6.0.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is camaleon_cms affected?
Yes, camaleon_cms is affected in releases prior to 2.6.0.1. Upgrade your dependency to 2.6.0.1 or later.
What is the CVSS score of CVE-2021-25971?
CVE-2021-25971 has a CVSS v3.1 base score of 4.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2021-25971?
CVE-2021-25971 is classified under CWE-248: Uncaught Exception (An exception is thrown from a function, but it is not caught.).
How can I check RubyGems dependencies for CVE-2021-25971?
Run the dependency tree command: 'inspect dependencies for camaleon_cms'. 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-r2w2-h6r8-3r53",
  "modified" : "2023-01-24T15:55:07Z",
  "published" : "2022-05-24T19:18:05Z",
  "aliases" : [ "CVE-2021-25971" ],
  "summary" : "Camaleon CMS vulnerable to Uncaught Exception",
  "details" : "In Camaleon CMS, versions 2.0.1 through 2.6.0 are vulnerable to an Uncaught Exception. The app's media upload feature crashes permanently when an attacker with a low privileged access uploads a specially crafted .svg file.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "camaleon_cms"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "2.0.1"
      }, {
        "fixed" : "2.6.0.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-25971"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/owen2345/camaleon-cms/commit/ab89584ab32b98a0af3d711e3f508a1d048147d2"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/owen2345/camaleon-cms"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/camaleon_cms/CVE-2021-25971.yml"
  }, {
    "type" : "WEB",
    "url" : "https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25971"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-248" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-01-24T15:55:07Z",
    "nvd_published_at" : "2021-10-20T12:15:00Z"
  }
}