CVE-2021-37711: Shopware/platform Authenticated Server-side Request Forgery Vulnerability

HIGH
Advisory Identifier: GHSA-gcvv-gq92-x94r
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CVSS 8.8
CWE-918
Published
Advisory Summary

CVE-2021-37711 is a HIGH (CVSS 8.8) authenticated server-side request forgery vulnerability (CWE-918: Server-Side Request Forgery (SSRF)) affecting Shopware/platform libraries in the Packagist ecosystem. The issue involves authenticated server-side request forgery in file upload via url.. Remediation is available by upgrading affected packages to version 6.4.3.1.

CVE-2021-37711 at a Glance

CVE Identifier CVE-2021-37711
GHSA Identifier GHSA-gcvv-gq92-x94r
Severity HIGH
CVSS v3.1 Base Score 8.8
CWE Classification CWE-918: Server-Side Request Forgery (SSRF)
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-2021-37711

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: 6.4.3.1 
Upgrade shopware/platform to 6.4.3.1
shopware/core fixed: 6.4.3.1 
Upgrade shopware/core to 6.4.3.1
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-2021-37711, 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 6.4.3.1), 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-918: Server-Side Request Forgery (SSRF), where the web server receives a url or similar request from an upstream component and retrieves the contents of this url, but it does not sufficiently ensure that the request is being sent to the expected destination. 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 Authenticated server-side request forgery in file upload via URL. ### Patches We recommend updating to the current version 6.4.3.1. You can get the update to 6.4.3.1 regularly via the Auto-Updater or directly via the download overview. https://www.shopware.com/en/download/#shopware-6 ### 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-2021-37711 Affected Shopware/platform Versions

2 component(s)
Fixed Versions:
6.4.3.1
Product / Package Ecosystem Affected Versions Fixed Version
shopware/platform
 Packagist
< 6.4.3.1
6.4.3.1
shopware/core
 Packagist
< 6.4.3.1
6.4.3.1

References

GitHub Advisory / Wiki ADVISORY
https://github.com/shopware/platform/security/advisories/GHSA-gcvv-gq92-x94r
NVD — CVE-2021-37711 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-37711
Security Fix Commit FIX COMMIT
https://github.com/shopware/platform/commit/b9f330e652b743dd2374c02bbe68f28b59a3f502
Shopware/platform Source Repository REPOSITORY
https://github.com/shopware/platform

Frequently Asked Questions

What is CVE-2021-37711?
CVE-2021-37711 is a security vulnerability in Shopware/platform involving Authenticated server-side request forgery in file upload via URL. under CWE-918: Server-Side Request Forgery (SSRF).
Which Shopware/platform versions are affected?
Affected versions include releases prior to 6.4.3.1 across affected packages: shopware/platform, shopware/core.
What version fixes CVE-2021-37711?
Upgrading to 6.4.3.1 (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 6.4.3.1. Upgrade your dependency to 6.4.3.1 or later.
Is shopware/core affected?
Yes, shopware/core is affected in releases prior to 6.4.3.1. Upgrade your dependency to 6.4.3.1 or later.
What is the CVSS score of CVE-2021-37711?
CVE-2021-37711 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-2021-37711?
CVE-2021-37711 is classified under CWE-918: Server-Side Request Forgery (SSRF) (The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.).
How can I check Packagist dependencies for CVE-2021-37711?
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-gcvv-gq92-x94r",
  "modified" : "2021-08-23T17:22:58Z",
  "published" : "2021-08-23T19:42:49Z",
  "aliases" : [ "CVE-2021-37711" ],
  "summary" : "Authenticated server-side request forgery in file upload via URL.",
  "details" : "### Impact\nAuthenticated server-side request forgery in file upload via URL.\n\n### Patches\nWe recommend updating to the current version 6.4.3.1. You can get the update to 6.4.3.1 regularly via the Auto-Updater or directly via the download overview.\n\nhttps://www.shopware.com/en/download/#shopware-6\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" : "6.4.3.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 6.4.3.0"
    }
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "shopware/core"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "6.4.3.1"
      } ]
    } ],
    "database_specific" : {
      "last_known_affected_version_range" : "<= 6.4.3.0"
    }
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/shopware/platform/security/advisories/GHSA-gcvv-gq92-x94r"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-37711"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/shopware/platform/commit/b9f330e652b743dd2374c02bbe68f28b59a3f502"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/shopware/platform"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-918" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-08-23T17:22:58Z",
    "nvd_published_at" : "2021-08-16T23:15:00Z"
  }
}