CVE-2020-25750: Devgroup/dotplant DotPlant2 Improper Restriction Of XML Vulnerability

HIGH
Advisory Identifier: GHSA-c49v-35ff-q9f7
Share
CVSS 7.5
CWE-611
Published
Advisory Summary

CVE-2020-25750 is a HIGH (CVSS 7.5) dotplant2 improper restriction of xml vulnerability (CWE-611: Improper Restriction of XML External Entity Reference) affecting Devgroup/dotplant libraries in the Packagist ecosystem. The issue involves dotplant2 improper restriction of xml external entity reference. Remediation is available by upgrading affected packages to version 2020-09-14.

CVE-2020-25750 at a Glance

CVE Identifier CVE-2020-25750
GHSA Identifier GHSA-c49v-35ff-q9f7
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-611: Improper Restriction of XML External Entity Reference
Affected Product Devgroup/dotplant
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:H/I:N/A:N).

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

How to Fix CVE-2020-25750

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

devgroup/dotplant fixed: 2020-09-14 
Upgrade devgroup/dotplant to 2020-09-14
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 devgroup/dotplant

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-25750, inspect your project dependencies for Devgroup/dotplant:

inspect dependencies for devgroup/dotplant

Analyze the terminal output to locate any version of Devgroup/dotplant in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 2020-09-14), 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-611: Improper Restriction of XML External Entity Reference, where the product processes an xml document that can contain xml entities with uris that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. In Devgroup/dotplant, 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

An issue was discovered in DotPlant2 before 2020-09-14. In class Pay2PayPayment in payment/Pay2PayPayment.php, there is an XXE vulnerability in the checkResult function. The user input ($_POST['xml']) is used for simplexml_load_string without sanitization. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.

CVE-2020-25750 Affected Devgroup/dotplant Versions

1 component(s)
Fixed Versions:
2020-09-14
Product / Package Ecosystem Affected Versions Fixed Version
devgroup/dotplant
 Packagist
< 2020-09-14
2020-09-14

References

NVD — CVE-2020-25750 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-25750
Devgroup/dotplant Source Repository REPOSITORY
https://github.com/DevGroup-ru/dotplant2/issues/400
Security Fix Commit FIX COMMIT
https://github.com/DevGroup-ru/dotplant2/commit/fee86c7052c227762c7325eb5c2811d9323f8429

Frequently Asked Questions

What is CVE-2020-25750?
CVE-2020-25750 is a security vulnerability in Devgroup/dotplant involving DotPlant2 Improper Restriction of XML External Entity Reference under CWE-611: Improper Restriction of XML External Entity Reference.
Which Devgroup/dotplant versions are affected?
Affected versions include releases prior to 2020-09-14 across affected packages: devgroup/dotplant.
What version fixes CVE-2020-25750?
Upgrading to 2020-09-14 (or the latest patched release for your respective branch) resolves the vulnerability.
Is devgroup/dotplant affected?
Yes, devgroup/dotplant is affected in releases prior to 2020-09-14. Upgrade your dependency to 2020-09-14 or later.
What is the CVSS score of CVE-2020-25750?
CVE-2020-25750 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:H/I:N/A:N.
What CWE is associated with CVE-2020-25750?
CVE-2020-25750 is classified under CWE-611: Improper Restriction of XML External Entity Reference (The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.).
How can I check Packagist dependencies for CVE-2020-25750?
Run the dependency tree command: 'inspect dependencies for devgroup/dotplant'. 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-c49v-35ff-q9f7",
  "modified" : "2024-04-22T19:00:49Z",
  "published" : "2022-05-24T17:29:01Z",
  "aliases" : [ "CVE-2020-25750" ],
  "summary" : "DotPlant2 Improper Restriction of XML External Entity Reference",
  "details" : "An issue was discovered in DotPlant2 before 2020-09-14. In class Pay2PayPayment in payment/Pay2PayPayment.php, there is an XXE vulnerability in the checkResult function. The user input ($_POST['xml']) is used for simplexml_load_string without sanitization. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "devgroup/dotplant"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2020-09-14"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-25750"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/DevGroup-ru/dotplant2/issues/400"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/DevGroup-ru/dotplant2/commit/fee86c7052c227762c7325eb5c2811d9323f8429"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-611" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-22T19:00:49Z",
    "nvd_published_at" : "2020-09-18T04:15:00Z"
  }
}