CVE-2023-2017: Shopware/platform Shopware Has Improper Control Of Vulnerability

HIGH
Advisory Identifier: GHSA-7v2v-9rm4-7m8f
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CVSS 8.8
CWE-94 CWE-1336
Published
Advisory Summary

CVE-2023-2017 is a HIGH (CVSS 8.8) shopware has improper control of vulnerability (CWE-94: Improper Control of Generation of Code ('Code Injection')) affecting Shopware/platform libraries in the Packagist ecosystem. The issue involves shopware has improper control of generation of code in twig rendered views. Remediation is available by upgrading affected packages to version 6.4.20.1.

CVE-2023-2017 at a Glance

CVE Identifier CVE-2023-2017
GHSA Identifier GHSA-7v2v-9rm4-7m8f
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-94: Improper Control of Generation of Code ('Code Injection')
Affected Product Shopware/platform
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.8

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

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

How to Fix CVE-2023-2017

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

shopware/platform fixed: 6.4.20.1 
Upgrade shopware/platform to 6.4.20.1
shopware/core fixed: 6.4.20.1 
Upgrade shopware/core to 6.4.20.1
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 shopware/platform

How to Check if You Are Affected

To determine whether your application is affected by CVE-2023-2017, inspect your project dependencies for Shopware/platform:

inspect dependencies for shopware/platform

Analyze the terminal output to locate any version of Shopware/platform in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 6.4.20.1), 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-94: Improper Control of Generation of Code ('Code Injection'), where the product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. In Shopware/platform, 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

### Impact We fixed with [CVE-2023-22731](https://github.com/shopware/platform/security/advisories/GHSA-93cw-f5jj-x85w) Twig filters to only be executed with allowed functions. It is possible to pass PHP Closures as string or an array and array crafted PHP Closures was not checked against allow list ### Patches The problem has been fixed with 6.4.20.1 with an improved override. ### Workarounds For older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin. For the full range of functions, we recommend updating to the latest Shopware version.

CVE-2023-2017 Affected Shopware/platform Versions

2 component(s)
Fixed Versions:
6.4.20.1
Product / Package Ecosystem Affected Versions Fixed Version
shopware/platform
 Packagist
< 6.4.20.1
6.4.20.1
shopware/core
 Packagist
< 6.4.20.1
6.4.20.1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/shopware/platform/security/advisories/GHSA-7v2v-9rm4-7m8f
GitHub Advisory / Wiki ADVISORY
https://github.com/shopware/shopware/security/advisories/GHSA-7v2v-9rm4-7m8f
NVD — CVE-2023-2017 NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2017
Shopware/platform Security Information SECURITY
https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-04-2023
Shopware/platform Source Repository REPOSITORY
https://github.com/shopware/platform
Shopware/platform Release RELEASE
https://github.com/shopware/platform/releases/tag/v6.4.20.1
starlabs.sg/advisories/23/23-20... WEB
https://starlabs.sg/advisories/23/23-2017

Frequently Asked Questions

What is CVE-2023-2017?
CVE-2023-2017 is a security vulnerability in Shopware/platform involving Shopware Has Improper Control of Generation of Code in Twig rendered views under CWE-94: Improper Control of Generation of Code ('Code Injection').
Which Shopware/platform versions are affected?
Affected versions include releases prior to 6.4.20.1 across affected packages: shopware/platform, shopware/core.
What version fixes CVE-2023-2017?
Upgrading to 6.4.20.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is shopware/platform affected?
Yes, shopware/platform is affected in releases prior to 6.4.20.1. Upgrade your dependency to 6.4.20.1 or later.
Is shopware/core affected?
Yes, shopware/core is affected in releases prior to 6.4.20.1. Upgrade your dependency to 6.4.20.1 or later.
What is the CVSS score of CVE-2023-2017?
CVE-2023-2017 has a CVSS v3.1 base score of 8.8 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2023-2017?
CVE-2023-2017 is classified under CWE-94: Improper Control of Generation of Code ('Code Injection') (The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.).
How can I check Packagist dependencies for CVE-2023-2017?
Run the dependency tree command: 'inspect dependencies for shopware/platform'. 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-7v2v-9rm4-7m8f",
  "modified" : "2026-01-14T17:03:26Z",
  "published" : "2023-04-18T13:14:20Z",
  "aliases" : [ "CVE-2023-2017" ],
  "summary" : "Shopware Has Improper Control of Generation of Code in Twig rendered views",
  "details" : "### Impact\nWe fixed with [CVE-2023-22731](https://github.com/shopware/platform/security/advisories/GHSA-93cw-f5jj-x85w) Twig filters to only be executed with allowed functions. It is possible to pass PHP Closures as string or an array and array crafted PHP Closures was not checked against allow list\n\n### Patches\nThe problem has been fixed with 6.4.20.1 with an improved override.\n\n### Workarounds\nFor older versions of 6.1, 6.2, and 6.3, corresponding security measures are also available via a plugin. For the full range of functions, we recommend updating to the latest Shopware version.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "shopware/platform"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.4.20.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 6.4.20.0"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "shopware/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.4.20.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 6.4.20.0"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/shopware/platform/security/advisories/GHSA-7v2v-9rm4-7m8f"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/shopware/shopware/security/advisories/GHSA-7v2v-9rm4-7m8f"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2023-2017"
  }, {
    "type" : "WEB",
    "url" : "https://docs.shopware.com/en/shopware-6-en/security-updates/security-update-04-2023"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/shopware/platform"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/shopware/platform/releases/tag/v6.4.20.1"
  }, {
    "type" : "WEB",
    "url" : "https://starlabs.sg/advisories/23/23-2017"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-1336", "CWE-94" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2023-04-18T13:14:20Z",
    "nvd_published_at" : "2023-04-17T11:15:00Z"
  }
}