CVE-2018-14065: Phpoffice/common PHPOffice Common Improper Restriction Of Vulnerability

CRITICAL
Advisory Identifier: GHSA-2853-hf2g-9843
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CVSS 9.8
CWE-611
Published
Advisory Summary

CVE-2018-14065 is a CRITICAL (CVSS 9.8) phpoffice common improper restriction of vulnerability (CWE-611: Improper Restriction of XML External Entity Reference) affecting Phpoffice/common libraries in the Packagist ecosystem. The issue involves phpoffice common improper restriction of xml external entity reference. Remediation is available by upgrading affected packages to version 0.2.9.

CVE-2018-14065 at a Glance

CVE Identifier CVE-2018-14065
GHSA Identifier GHSA-2853-hf2g-9843
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-611: Improper Restriction of XML External Entity Reference
Affected Product Phpoffice/common
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2018-14065

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

phpoffice/common fixed: 0.2.9 
Upgrade phpoffice/common to 0.2.9
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 phpoffice/common

How to Check if You Are Affected

To determine whether your application is affected by CVE-2018-14065, inspect your project dependencies for Phpoffice/common:

inspect dependencies for phpoffice/common

Analyze the terminal output to locate any version of Phpoffice/common in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.2.9), 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 Phpoffice/common, 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

`XMLReader.php` in PHPOffice Common before 0.2.9 allows XXE.

CVE-2018-14065 Affected Phpoffice/common Versions

1 component(s)
Fixed Versions:
0.2.9
Product / Package Ecosystem Affected Versions Fixed Version
phpoffice/common
 Packagist
< 0.2.9
0.2.9

References

NVD — CVE-2018-14065 NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-14065
Phpoffice/common Source Repository REPOSITORY
https://github.com/PHPOffice/PHPWord/issues/1421
Phpoffice/common Source Repository REPOSITORY
https://github.com/PHPOffice/Common/pull/23
Phpoffice/common Source Repository REPOSITORY
https://github.com/PHPOffice/Common
Phpoffice/common Release RELEASE
https://github.com/PHPOffice/Common/releases/tag/0.2.9

Frequently Asked Questions

What is CVE-2018-14065?
CVE-2018-14065 is a security vulnerability in Phpoffice/common involving PHPOffice Common Improper Restriction of XML External Entity Reference under CWE-611: Improper Restriction of XML External Entity Reference.
Which Phpoffice/common versions are affected?
Affected versions include releases prior to 0.2.9 across affected packages: phpoffice/common.
What version fixes CVE-2018-14065?
Upgrading to 0.2.9 (or the latest patched release for your respective branch) resolves the vulnerability.
Is phpoffice/common affected?
Yes, phpoffice/common is affected in releases prior to 0.2.9. Upgrade your dependency to 0.2.9 or later.
What is the CVSS score of CVE-2018-14065?
CVE-2018-14065 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2018-14065?
CVE-2018-14065 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-2018-14065?
Run the dependency tree command: 'inspect dependencies for phpoffice/common'. 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-2853-hf2g-9843",
  "modified" : "2024-04-23T22:51:46Z",
  "published" : "2022-05-14T03:00:02Z",
  "aliases" : [ "CVE-2018-14065" ],
  "summary" : "PHPOffice Common Improper Restriction of XML External Entity Reference",
  "details" : "`XMLReader.php` in PHPOffice Common before 0.2.9 allows XXE.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "phpoffice/common"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.2.9"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2018-14065"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/PHPOffice/PHPWord/issues/1421"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/PHPOffice/Common/pull/23"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/PHPOffice/Common"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/PHPOffice/Common/releases/tag/0.2.9"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-611" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-04-23T22:51:46Z",
    "nvd_published_at" : "2018-07-15T15:29:00Z"
  }
}