GHSA-cwgq-83w5-8jfq: Silverstripe/framework Denial of Service Vulnerability

HIGH
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CVSS 7.5
CWE-20
Published
Advisory Summary

GHSA-cwgq-83w5-8jfq is a HIGH (CVSS 7.5) denial of service vulnerability (CWE-20: Improper Input Validation) affecting Silverstripe/framework libraries in the Packagist ecosystem. The issue involves silverstripe/framework has possible denial of service attack vector when flushing. Remediation is available by upgrading affected packages to version 4.0.5, 4.1.3, 4.2.2.

GHSA-cwgq-83w5-8jfq at a Glance

CVE Identifier N/A
GHSA Identifier GHSA-cwgq-83w5-8jfq
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-20: Improper Input Validation
Affected Product Silverstripe/framework
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:N/I:N/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 None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix GHSA-cwgq-83w5-8jfq

To remediate this vulnerability, upgrade all affected Silverstripe/framework 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/framework fixed: 4.0.5 
Upgrade silverstripe/framework to 4.0.5
silverstripe/framework fixed: 4.1.3 
Upgrade silverstripe/framework to 4.1.3
silverstripe/framework fixed: 4.2.2 
Upgrade silverstripe/framework to 4.2.2
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/framework

How to Check if You Are Affected

To determine whether your application is affected by GHSA-cwgq-83w5-8jfq, inspect your project dependencies for Silverstripe/framework:

inspect dependencies for silverstripe/framework

Analyze the terminal output to locate any version of Silverstripe/framework in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 4.0.5), 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-20: Improper Input Validation, where the product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. In Silverstripe/framework, 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 possible denial of service attack vector has been identified in the dev/build system controller. dev/build now has its own URL token, similar to flushtoken, to ensure users are authenticated when running dev/build outside of dev environments.

GHSA-cwgq-83w5-8jfq Affected Silverstripe/framework Versions

3 component(s)
Fixed Versions:
4.0.54.1.34.2.2
Product / Package Ecosystem Affected Versions Fixed Version
silverstripe/framework
 Packagist
≥ 4.0.0-rc1
< 4.0.5
4.0.5
silverstripe/framework
 Packagist
≥ 4.1.0-rc1
< 4.1.3
4.1.3
silverstripe/framework
 Packagist
≥ 4.2.0-rc1
< 4.2.2
4.2.2

References

Security Fix Commit FIX COMMIT
https://github.com/silverstripe/silverstripe-framework/commit/0610f76da02ac53a1b51cdfe9eac34e943a66991
Security Fix Commit FIX COMMIT
https://github.com/silverstripe/silverstripe-framework/commit/8d7c2dafabad505d769f3774c44e0595fb1a4cd9
Security Fix Commit FIX COMMIT
https://github.com/silverstripe/silverstripe-framework/commit/af000bea9b16ea553cae7f7f662f74ab8dc343df
Silverstripe/framework Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2018-019-1.yaml
Silverstripe/framework Source Repository REPOSITORY
https://github.com/silverstripe/silverstripe-framework
Silverstripe/framework Release RELEASE
https://www.silverstripe.org/download/security-releases/ss-2018-019

Frequently Asked Questions

What is GHSA-cwgq-83w5-8jfq?
GHSA-cwgq-83w5-8jfq is a security vulnerability in Silverstripe/framework involving silverstripe/framework has possible denial of service attack vector when flushing under CWE-20: Improper Input Validation.
Which Silverstripe/framework versions are affected?
Affected versions include releases prior to 4.0.5, 4.1.3, 4.2.2 across affected packages: silverstripe/framework.
What version fixes GHSA-cwgq-83w5-8jfq?
Upgrading to 4.0.5, 4.1.3, 4.2.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is silverstripe/framework affected?
Yes, silverstripe/framework is affected in releases prior to 4.0.5, 4.1.3, 4.2.2. Upgrade your dependency to 4.0.5, 4.1.3, 4.2.2 or later.
What is the CVSS score of GHSA-cwgq-83w5-8jfq?
GHSA-cwgq-83w5-8jfq has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with GHSA-cwgq-83w5-8jfq?
GHSA-cwgq-83w5-8jfq is classified under CWE-20: Improper Input Validation (The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.).
How can I check Packagist dependencies for GHSA-cwgq-83w5-8jfq?
Run the dependency tree command: 'inspect dependencies for silverstripe/framework'. 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-cwgq-83w5-8jfq",
  "modified" : "2024-05-28T12:59:05Z",
  "published" : "2024-05-28T12:59:05Z",
  "aliases" : [ ],
  "summary" : "silverstripe/framework has possible denial of service attack vector when flushing",
  "details" : "A possible denial of service attack vector has been identified in the dev/build system controller.\n\ndev/build now has its own URL token, similar to flushtoken, to ensure users are authenticated when running dev/build outside of dev environments.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "silverstripe/framework"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.0.0-rc1"
      }, {
        "fixed" : "4.0.5"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "silverstripe/framework"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.1.0-rc1"
      }, {
        "fixed" : "4.1.3"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "silverstripe/framework"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.2.0-rc1"
      }, {
        "fixed" : "4.2.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/silverstripe/silverstripe-framework/commit/0610f76da02ac53a1b51cdfe9eac34e943a66991"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/silverstripe/silverstripe-framework/commit/8d7c2dafabad505d769f3774c44e0595fb1a4cd9"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/silverstripe/silverstripe-framework/commit/af000bea9b16ea553cae7f7f662f74ab8dc343df"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/SS-2018-019-1.yaml"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/silverstripe/silverstripe-framework"
  }, {
    "type" : "WEB",
    "url" : "https://www.silverstripe.org/download/security-releases/ss-2018-019"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-20" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-05-28T12:59:05Z",
    "nvd_published_at" : null
  }
}