CVE-2020-15244: Openmage/magento lts Remote Code Execution Vulnerability

HIGH
Advisory Identifier: GHSA-jrgf-vfw2-hj26
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CVSS 8.0
CWE-502 CWE-74
Published
Advisory Summary

CVE-2020-15244 is a HIGH (CVSS 8.0) remote code execution vulnerability (CWE-502: Deserialization of Untrusted Data) affecting Openmage/magento lts libraries in the Packagist ecosystem. The issue involves rce via php object injection via soap requests. Remediation is available by upgrading affected packages to version 19.4.8, 20.0.4.

CVE-2020-15244 at a Glance

CVE Identifier CVE-2020-15244
GHSA Identifier GHSA-jrgf-vfw2-hj26
Severity HIGH
CVSS v3.1 Base Score 8.0
CWE Classification CWE-502: Deserialization of Untrusted Data
Affected Product Openmage/magento lts
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 8.0

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

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

How to Fix CVE-2020-15244

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

openmage/magento-lts fixed: 19.4.8 
Upgrade openmage/magento-lts to 19.4.8
openmage/magento-lts fixed: 20.0.4 
Upgrade openmage/magento-lts to 20.0.4
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 openmage/magento-lts

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-15244, inspect your project dependencies for Openmage/magento lts:

inspect dependencies for openmage/magento-lts

Analyze the terminal output to locate any version of Openmage/magento lts in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 19.4.8), 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-502: Deserialization of Untrusted Data, where the product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid. In Openmage/magento lts, 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 This vulnerability allows an admin user to generate soap credentials that can be used to trigger RCE via PHP Object Injection through product attributes and a product. ### Patches The latest OpenMage Versions up from 19.4.7 and 20.0.3 have this Issue solved ### Credits Credit to Luke Rodgers for reporting

CVE-2020-15244 Affected Openmage/magento lts Versions

2 component(s)
Fixed Versions:
19.4.820.0.4
Product / Package Ecosystem Affected Versions Fixed Version
openmage/magento-lts
 Packagist
< 19.4.8
19.4.8
openmage/magento-lts
 Packagist
≥ 20.0.0
< 20.0.4
20.0.4

References

GitHub Advisory / Wiki ADVISORY
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-jrgf-vfw2-hj26
NVD — CVE-2020-15244 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-15244
Security Fix Commit FIX COMMIT
https://github.com/OpenMage/magento-lts/commit/26433d15b57978fcb7701b5f99efe8332ca8630b
Openmage/magento lts Source Repository REPOSITORY
https://github.com/OpenMage/magento-lts

Frequently Asked Questions

What is CVE-2020-15244?
CVE-2020-15244 is a security vulnerability in Openmage/magento lts involving RCE via PHP Object injection via SOAP Requests under CWE-502: Deserialization of Untrusted Data.
Which Openmage/magento lts versions are affected?
Affected versions include releases prior to 19.4.8, 20.0.4 across affected packages: openmage/magento-lts.
What version fixes CVE-2020-15244?
Upgrading to 19.4.8, 20.0.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is openmage/magento-lts affected?
Yes, openmage/magento-lts is affected in releases prior to 19.4.8, 20.0.4. Upgrade your dependency to 19.4.8, 20.0.4 or later.
What is the CVSS score of CVE-2020-15244?
CVE-2020-15244 has a CVSS v3.1 base score of 8.0 (HIGH) with vector string CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H.
What CWE is associated with CVE-2020-15244?
CVE-2020-15244 is classified under CWE-502: Deserialization of Untrusted Data (The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.).
How can I check Packagist dependencies for CVE-2020-15244?
Run the dependency tree command: 'inspect dependencies for openmage/magento-lts'. 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-jrgf-vfw2-hj26",
  "modified" : "2021-11-19T13:46:38Z",
  "published" : "2020-10-30T17:06:06Z",
  "aliases" : [ "CVE-2020-15244" ],
  "summary" : "RCE via PHP Object injection via SOAP Requests",
  "details" : "### Impact\nThis vulnerability allows an admin user to generate soap credentials that can be used to trigger RCE via PHP Object Injection through product attributes and a product.\n\n### Patches\nThe latest OpenMage Versions up from 19.4.7 and 20.0.3 have this Issue solved\n\n### Credits\nCredit to Luke Rodgers for reporting",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "openmage/magento-lts"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "19.4.8"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "openmage/magento-lts"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "20.0.0"
      }, {
        "fixed" : "20.0.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/OpenMage/magento-lts/security/advisories/GHSA-jrgf-vfw2-hj26"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-15244"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OpenMage/magento-lts/commit/26433d15b57978fcb7701b5f99efe8332ca8630b"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/OpenMage/magento-lts"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-502", "CWE-74" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-10-30T16:25:06Z",
    "nvd_published_at" : "2020-10-21T20:15:00Z"
  }
}