CVE-2014-5012: Dompdf/dompdf Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-q83c-64c9-c42m
CVSS 6.5
CWE-400
Published
Advisory Summary

CVE-2014-5012 is a MODERATE (CVSS 6.5) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting Dompdf/dompdf libraries in the Packagist ecosystem. The issue involves dompdf denial of service vulnerability. Remediation is available by upgrading affected packages to version 0.6.2.

CVE-2014-5012 at a Glance

CVE Identifier CVE-2014-5012
GHSA Identifier GHSA-q83c-64c9-c42m
Severity MODERATE
CVSS v3.1 Base Score 6.5
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product Dompdf/dompdf
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 6.5

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:R/S:U/C:N/I:N/A:H).

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

How to Fix CVE-2014-5012

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

dompdf/dompdf fixed: 0.6.2
Upgrade dompdf/dompdf to 0.6.2
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 dompdf/dompdf

How to Check if You Are Affected

To determine whether your application is affected by CVE-2014-5012, inspect your project dependencies for Dompdf/dompdf:

inspect dependencies for dompdf/dompdf

Analyze the terminal output to locate any version of Dompdf/dompdf in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.6.2), 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In Dompdf/dompdf, 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

DOMPDF before 0.6.2 allows denial of service.

CVE-2014-5012 Affected Dompdf/dompdf Versions

1 component(s)
Fixed Versions:
0.6.2
Product / Package Ecosystem Affected Versions Fixed Version
dompdf/dompdf
Packagist
≥ 0.6
< 0.6.2
0.6.2

References

Frequently Asked Questions

What is CVE-2014-5012?
CVE-2014-5012 is a security vulnerability in Dompdf/dompdf involving DOMPDF denial of service vulnerability under CWE-400: Uncontrolled Resource Consumption.
Which Dompdf/dompdf versions are affected?
Affected versions include releases prior to 0.6.2 across affected packages: dompdf/dompdf.
What version fixes CVE-2014-5012?
Upgrading to 0.6.2 (or the latest patched release for your respective branch) resolves the vulnerability.
Is dompdf/dompdf affected?
Yes, dompdf/dompdf is affected in releases prior to 0.6.2. Upgrade your dependency to 0.6.2 or later.
What is the CVSS score of CVE-2014-5012?
CVE-2014-5012 has a CVSS v3.1 base score of 6.5 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2014-5012?
CVE-2014-5012 is classified under CWE-400: Uncontrolled Resource Consumption (The product does not properly control the allocation and maintenance of a limited resource.).
How can I check Packagist dependencies for CVE-2014-5012?
Run the dependency tree command: 'inspect dependencies for dompdf/dompdf'. 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
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-q83c-64c9-c42m",
  "modified" : "2024-02-01T21:16:49Z",
  "published" : "2022-05-17T19:57:15Z",
  "aliases" : [ "CVE-2014-5012" ],
  "summary" : "DOMPDF denial of service vulnerability",
  "details" : "DOMPDF before 0.6.2 allows denial of service.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "dompdf/dompdf"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0.6"
      }, {
        "fixed" : "0.6.2"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2014-5012"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/FriendsOfPHP/security-advisories/blob/master/dompdf/dompdf/CVE-2014-5012.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dompdf/dompdf/compare/v0.6.1...v0.6.2"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dompdf/dompdf/releases/tag/v0.6.2"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-02-01T21:16:49Z",
    "nvd_published_at" : "2020-01-10T06:15:00Z"
  }
}