CVE-2019-12617: Silverstripe/framework SilverStripe Priviledge Escalation Through Cache Vulnerability

LOW
Advisory Identifier: GHSA-6r58-4xgr-gm6m
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CVSS 2.7
Published
Advisory Summary

CVE-2019-12617 is a LOW (CVSS 2.7) silverstripe priviledge escalation through cache vulnerability (General Security Weakness) affecting Silverstripe/framework libraries in the Packagist ecosystem. The issue involves silverstripe priviledge escalation through cache pollution. Remediation is available by upgrading affected packages to version 4.4.4, 4.3.5.

CVE-2019-12617 at a Glance

CVE Identifier CVE-2019-12617
GHSA Identifier GHSA-6r58-4xgr-gm6m
Severity LOW
CVSS v3.1 Base Score 2.7
CWE Classification General Security Weakness
Affected Product Silverstripe/framework
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 2.7

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N).

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

How to Fix CVE-2019-12617

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: 4.4.4 
Upgrade silverstripe/framework to 4.4.4
silverstripe/framework fixed: 4.3.5 
Upgrade silverstripe/framework to 4.3.5
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 CVE-2019-12617, 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 4.4.4), 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 General Security Weakness. 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

In SilverStripe through 4.3.3, there is access escalation for CMS users with limited access through permission cache pollution.

CVE-2019-12617 Affected Silverstripe/framework Versions

2 component(s)
Fixed Versions:
4.4.44.3.5
Product / Package Ecosystem Affected Versions Fixed Version
silverstripe/framework
 Packagist
≥ 4.4.0
< 4.4.4
4.4.4
silverstripe/framework
 Packagist
≥ 4.3.0
< 4.3.5
4.3.5

References

NVD — CVE-2019-12617 NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-12617
forum.silverstripe.org/c/releases WEB
https://forum.silverstripe.org/c/releases
Silverstripe/framework Source Repository REPOSITORY
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12617.yaml
www.silverstripe.org/blog/tag/release WEB
https://www.silverstripe.org/blog/tag/release
Silverstripe/framework Release RELEASE
https://www.silverstripe.org/download/security-releases
Silverstripe/framework Release RELEASE
https://www.silverstripe.org/download/security-releases/CVE-2019-12617
Silverstripe/framework Release RELEASE
https://www.silverstripe.org/download/security-releases/cve-2019-12617

Frequently Asked Questions

What is CVE-2019-12617?
CVE-2019-12617 is a security vulnerability in Silverstripe/framework involving SilverStripe Priviledge escalation through cache pollution under General Security Weakness.
Which Silverstripe/framework versions are affected?
Affected versions include releases prior to 4.4.4, 4.3.5 across affected packages: silverstripe/framework.
What version fixes CVE-2019-12617?
Upgrading to 4.4.4, 4.3.5 (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 4.4.4, 4.3.5. Upgrade your dependency to 4.4.4, 4.3.5 or later.
What is the CVSS score of CVE-2019-12617?
CVE-2019-12617 has a CVSS v3.1 base score of 2.7 (LOW) with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N.
What CWE is associated with CVE-2019-12617?
CVE-2019-12617 is classified under General Security Weakness.
How can I check Packagist dependencies for CVE-2019-12617?
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-6r58-4xgr-gm6m",
  "modified" : "2023-09-20T09:57:17Z",
  "published" : "2019-11-12T23:01:59Z",
  "aliases" : [ "CVE-2019-12617" ],
  "summary" : "SilverStripe Priviledge escalation through cache pollution",
  "details" : "In SilverStripe through 4.3.3, there is access escalation for CMS users with limited access through permission cache pollution.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "silverstripe/framework"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.4.0"
      }, {
        "fixed" : "4.4.4"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "silverstripe/framework"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.3.0"
      }, {
        "fixed" : "4.3.5"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2019-12617"
  }, {
    "type" : "WEB",
    "url" : "https://forum.silverstripe.org/c/releases"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2019-12617.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-2019-12617"
  }, {
    "type" : "WEB",
    "url" : "https://www.silverstripe.org/download/security-releases/cve-2019-12617"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "LOW",
    "github_reviewed" : true,
    "github_reviewed_at" : "2019-11-12T22:50:54Z",
    "nvd_published_at" : null
  }
}