CVE-2022-38147: Silverstripe/assets Cross-Site Scripting Vulnerability

MODERATE
Advisory Identifier: GHSA-vv3r-fxqp-vr3f
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CVSS 5.4
CWE-79
Published
Advisory Summary

CVE-2022-38147 is a MODERATE (CVSS 5.4) cross-site scripting vulnerability (CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) affecting Silverstripe/assets libraries in the Packagist ecosystem. The issue involves xss via uploaded gpx file. Remediation is available by upgrading affected packages to version 1.11.1.

CVE-2022-38147 at a Glance

CVE Identifier CVE-2022-38147
GHSA Identifier GHSA-vv3r-fxqp-vr3f
Severity MODERATE
CVSS v3.1 Base Score 5.4
CWE Classification CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Product Silverstripe/assets
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.4

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:R/S:C/C:L/I:L/A:N).

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

How to Fix CVE-2022-38147

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

silverstripe/assets fixed: 1.11.1 
Upgrade silverstripe/assets to 1.11.1
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 silverstripe/assets

How to Check if You Are Affected

To determine whether your application is affected by CVE-2022-38147, inspect your project dependencies for Silverstripe/assets:

inspect dependencies for silverstripe/assets

Analyze the terminal output to locate any version of Silverstripe/assets in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 1.11.1), 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-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'), where the product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. In Silverstripe/assets, 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

A malicious content author could upload a GPX file with a Javascript payload. The payload could then be executed by luring a legitimate user to view the file in a browser with support for GPX files. GPX is an XML-based format used to store GPS data. By default, Silverstripe CMS will no longer allow GPX files to be uploaded to the assets area.

CVE-2022-38147 Affected Silverstripe/assets Versions

1 component(s)
Fixed Versions:
1.11.1
Product / Package Ecosystem Affected Versions Fixed Version
silverstripe/assets
 Packagist
≥ 1.0.0
< 1.11.1
1.11.1

References

NVD — CVE-2022-38147 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-38147
forum.silverstripe.org/c/releases WEB
https://forum.silverstripe.org/c/releases
Silverstripe/assets Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/assets/CVE-2022-38147.yaml
www.silverstripe.org/blog/tag/release WEB
https://www.silverstripe.org/blog/tag/release
Silverstripe/assets Release RELEASE
https://www.silverstripe.org/download/security-releases
Silverstripe/assets Release RELEASE
https://www.silverstripe.org/download/security-releases/cve-2022-38147

Frequently Asked Questions

What is CVE-2022-38147?
CVE-2022-38147 is a security vulnerability in Silverstripe/assets involving XSS via uploaded gpx file under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting').
Which Silverstripe/assets versions are affected?
Affected versions include releases prior to 1.11.1 across affected packages: silverstripe/assets.
What version fixes CVE-2022-38147?
Upgrading to 1.11.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is silverstripe/assets affected?
Yes, silverstripe/assets is affected in releases prior to 1.11.1. Upgrade your dependency to 1.11.1 or later.
What is the CVSS score of CVE-2022-38147?
CVE-2022-38147 has a CVSS v3.1 base score of 5.4 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
What CWE is associated with CVE-2022-38147?
CVE-2022-38147 is classified under CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.).
How can I check Packagist dependencies for CVE-2022-38147?
Run the dependency tree command: 'inspect dependencies for silverstripe/assets'. 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-vv3r-fxqp-vr3f",
  "modified" : "2022-11-30T19:21:18Z",
  "published" : "2022-11-21T23:58:07Z",
  "aliases" : [ "CVE-2022-38147" ],
  "summary" : "XSS via uploaded gpx file",
  "details" : "A malicious content author could upload a GPX file with a Javascript payload. The payload could then be executed by luring a legitimate user to view the file in a browser with support for GPX files. GPX is an XML-based format used to store GPS data.\n\nBy default, Silverstripe CMS will no longer allow GPX files to be uploaded to the assets area.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "silverstripe/assets"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "1.0.0"
      }, {
        "fixed" : "1.11.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-38147"
  }, {
    "type" : "WEB",
    "url" : "https://forum.silverstripe.org/c/releases"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/assets/CVE-2022-38147.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://www.silverstripe.org/blog/tag/release"
  }, {
    "type" : "WEB",
    "url" : "https://www.silverstripe.org/download/security-releases"
  }, {
    "type" : "WEB",
    "url" : "https://www.silverstripe.org/download/security-releases/cve-2022-38147"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-79" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-11-21T23:58:07Z",
    "nvd_published_at" : "2022-11-23T03:15:00Z"
  }
}