CVE-2017-15681: Crafter studio Path Traversal Vulnerability

CRITICAL
Advisory Identifier: GHSA-7c6q-jqwc-4423
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CVSS 9.8
CWE-22
Published
Advisory Summary

CVE-2017-15681 is a CRITICAL (CVSS 9.8) path traversal vulnerability (CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')) affecting Crafter studio libraries in the Maven ecosystem. The issue involves path traversal in crafter cms crafter studio. Remediation is available by upgrading affected packages to version 3.0.2.

CVE-2017-15681 at a Glance

CVE Identifier CVE-2017-15681
GHSA Identifier GHSA-7c6q-jqwc-4423
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Affected Product Crafter studio
Package Ecosystem Maven
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-2017-15681

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

org.craftercms:crafter-studio fixed: 3.0.2 
<dependency>
    <groupId>org.craftercms</groupId>
    <artifactId>crafter-studio</artifactId>
    <version>3.0.2</version>
</dependency>
Verify Direct and Transitive Dependencies

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

mvn dependency:tree -Dincludes=org.craftercms

How to Check if You Are Affected

To determine whether your Java application is affected by CVE-2017-15681, inspect your build dependencies using the Maven Dependency Plugin:

mvn dependency:tree -Dincludes=org.craftercms

Analyze the terminal output to locate any version of Crafter studio in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.0.2), your application is affected.

Note: The mvn dependency:tree -Dincludes=org.craftercms command inspects the resolved dependency graph declared in your project's POM files; it does not perform automated security scanning or inspect runtime dynamic classpaths. Always verify runtime container classpaths and shaded JARs.

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 Crafter studio, 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 Crafter CMS Crafter Studio 3.0.1 a directory traversal vulnerability exists which allows unauthenticated attackers to overwrite files from the operating system which can lead to RCE.

CVE-2017-15681 Affected Crafter studio Versions

1 component(s)
Fixed Versions:
3.0.2
Product / Package Ecosystem Affected Versions Fixed Version
org.craftercms:crafter-studio
maven/org.craftercms/crafter-studio
Maven
< 3.0.2
3.0.2

References

NVD — CVE-2017-15681 NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-15681
Crafter studio Security Information SECURITY
https://docs.craftercms.org/en/3.0/security/advisory.html
crafter.com WEB
http://crafter.com

Frequently Asked Questions

What is CVE-2017-15681?
CVE-2017-15681 is a security vulnerability in Crafter studio involving Path Traversal in Crafter CMS Crafter Studio under CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal').
Which Crafter studio versions are affected?
Affected versions include releases prior to 3.0.2 across affected packages: org.craftercms:crafter-studio.
What version fixes CVE-2017-15681?
Upgrading to 3.0.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is crafter-studio affected?
Yes, org.craftercms:crafter-studio is affected in releases prior to 3.0.2. Upgrade your dependency to 3.0.2 or later.
What is the CVSS score of CVE-2017-15681?
CVE-2017-15681 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-2017-15681?
CVE-2017-15681 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 Maven dependencies for CVE-2017-15681?
Run the dependency tree command: 'mvn dependency:tree -Dincludes=org.craftercms'. 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-7c6q-jqwc-4423",
  "modified" : "2021-04-13T17:54:22Z",
  "published" : "2022-02-09T23:07:59Z",
  "aliases" : [ "CVE-2017-15681" ],
  "summary" : "Path Traversal in Crafter CMS Crafter Studio",
  "details" : "In Crafter CMS Crafter Studio 3.0.1 a directory traversal vulnerability exists which allows unauthenticated attackers to overwrite files from the operating system which can lead to RCE.",
  "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" : "Maven",
      "name" : "org.craftercms:crafter-studio"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.0.2"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 3.0.1"
    }
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2017-15681"
  }, {
    "type" : "WEB",
    "url" : "https://docs.craftercms.org/en/3.0/security/advisory.html"
  }, {
    "type" : "WEB",
    "url" : "http://crafter.com"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-22" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-04-13T17:54:22Z",
    "nvd_published_at" : "2020-11-27T18:15:00Z"
  }
}