CVE-2021-32758: Openmage/magento lts Layout XML Arbitrary Code Fix Vulnerability

HIGH
Advisory Identifier: GHSA-26rr-v2j2-25fh
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CWE-91
Published
Advisory Summary

CVE-2021-32758 is a HIGH layout xml arbitrary code fix vulnerability (CWE-91: XML Injection (aka Blind XPath Injection)) affecting Openmage/magento lts libraries in the Packagist ecosystem. The issue involves layout xml arbitrary code fix. Remediation is available by upgrading affected packages to version 19.4.15, 20.0.13.

CVE-2021-32758 at a Glance

CVE Identifier CVE-2021-32758
GHSA Identifier GHSA-26rr-v2j2-25fh
Severity HIGH
CVSS v3.1 Base Score N/A
CWE Classification CWE-91: XML Injection (aka Blind XPath Injection)
Affected Product Openmage/magento lts
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2021-32758

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: 19.4.15 
Upgrade openmage/magento-lts to 19.4.15
openmage/magento-lts fixed: 20.0.13 
Upgrade openmage/magento-lts to 20.0.13
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-2021-32758, 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 19.4.15), 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-91: XML Injection (aka Blind XPath Injection), where the product does not properly neutralize special elements that are used in xml, allowing attackers to modify the syntax, content, or commands of the xml before it is processed by an end system. 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 Layout XML enabled admin users to execute arbitrary commands via block methods.

CVE-2021-32758 Affected Openmage/magento lts Versions

2 component(s)
Fixed Versions:
19.4.1520.0.13
Product / Package Ecosystem Affected Versions Fixed Version
openmage/magento-lts
 Packagist
< 19.4.15
19.4.15
openmage/magento-lts
 Packagist
≥ 20.0.0
< 20.0.13
20.0.13

References

GitHub Advisory / Wiki ADVISORY
https://github.com/OpenMage/magento-lts/security/advisories/GHSA-26rr-v2j2-25fh
NVD — CVE-2021-32758 NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32758
Security Fix Commit FIX COMMIT
https://github.com/OpenMage/magento-lts/commit/b99307d00b59c4a226a1e3e4083f02cf2fc8fce7
Openmage/magento lts Release RELEASE
https://github.com/OpenMage/magento-lts/releases/tag/v19.4.15
Openmage/magento lts Release RELEASE
https://github.com/OpenMage/magento-lts/releases/tag/v20.0.13

Frequently Asked Questions

What is CVE-2021-32758?
CVE-2021-32758 is a security vulnerability in Openmage/magento lts involving Layout XML Arbitrary Code Fix under CWE-91: XML Injection (aka Blind XPath Injection).
Which Openmage/magento lts versions are affected?
Affected versions include releases prior to 19.4.15, 20.0.13 across affected packages: openmage/magento-lts.
What version fixes CVE-2021-32758?
Upgrading to 19.4.15, 20.0.13 (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 19.4.15, 20.0.13. Upgrade your dependency to 19.4.15, 20.0.13 or later.
What CWE is associated with CVE-2021-32758?
CVE-2021-32758 is classified under CWE-91: XML Injection (aka Blind XPath Injection) (The product does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.).
How can I check Packagist dependencies for CVE-2021-32758?
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-26rr-v2j2-25fh",
  "modified" : "2021-08-30T16:42:41Z",
  "published" : "2021-08-30T17:20:52Z",
  "aliases" : [ "CVE-2021-32758" ],
  "summary" : "Layout XML Arbitrary Code Fix ",
  "details" : "### Impact\nLayout XML enabled admin users to execute arbitrary commands via block methods.",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "openmage/magento-lts"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "19.4.15"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "openmage/magento-lts"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "20.0.0"
      }, {
        "fixed" : "20.0.13"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/OpenMage/magento-lts/security/advisories/GHSA-26rr-v2j2-25fh"
  }, {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2021-32758"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OpenMage/magento-lts/commit/b99307d00b59c4a226a1e3e4083f02cf2fc8fce7"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OpenMage/magento-lts/releases/tag/v19.4.15"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/OpenMage/magento-lts/releases/tag/v20.0.13"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-91" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-08-30T16:42:41Z",
    "nvd_published_at" : "2021-08-27T18:15:00Z"
  }
}