CVE-2022-2400: Dompdf/dompdf Dompdf Before V2.0.0 Vulnerable To Vulnerability

MODERATE
Advisory Identifier: GHSA-5qj8-6xxj-hp9h
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CVSS 5.3
CWE-73
Published
Advisory Summary

CVE-2022-2400 is a MODERATE (CVSS 5.3) dompdf before v2.0.0 vulnerable to vulnerability (CWE-73: External Control of File Name or Path) affecting Dompdf/dompdf libraries in the Packagist ecosystem. The issue involves dompdf before v2.0.0 vulnerable to chroot check bypass. Remediation is available by upgrading affected packages to version 2.0.0.

CVE-2022-2400 at a Glance

CVE Identifier CVE-2022-2400
GHSA Identifier GHSA-5qj8-6xxj-hp9h
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-73: External Control of File Name or Path
Affected Product Dompdf/dompdf
Package Ecosystem Packagist
Published Date
Last Updated

Security Impact

CVSS: 5.3

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:L/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 Low (C:L)
Integrity None (I:N)
Availability None (A:N)

How to Fix CVE-2022-2400

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: 2.0.0 
Upgrade dompdf/dompdf to 2.0.0
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-2022-2400, 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 2.0.0), 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-73: External Control of File Name or Path, where the product allows user input to control or influence paths or file names that are used in filesystem operations. 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 prior to version 2.0.0 is vulnerable to a chroot check bypass, which could cause disclosure of png and jpeg files.

CVE-2022-2400 Affected Dompdf/dompdf Versions

1 component(s)
Fixed Versions:
2.0.0
Product / Package Ecosystem Affected Versions Fixed Version
dompdf/dompdf
 Packagist
< 2.0.0
2.0.0

References

NVD — CVE-2022-2400 NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-2400
Security Fix Commit FIX COMMIT
https://github.com/dompdf/dompdf/commit/99aeec1efec9213e87098d42eb09439e7ee0bb6a
Dompdf/dompdf Source Repository REPOSITORY
https://github.com/dompdf/dompdf
huntr.dev/bounties/a6da5e5e-8... WEB
https://huntr.dev/bounties/a6da5e5e-86be-499a-a3c3-2950f749202a
lists.debian.org/debian-lts-announce... WEB
https://lists.debian.org/debian-lts-announce/2023/07/msg00017.html

Frequently Asked Questions

What is CVE-2022-2400?
CVE-2022-2400 is a security vulnerability in Dompdf/dompdf involving Dompdf before v2.0.0 vulnerable to chroot check bypass under CWE-73: External Control of File Name or Path.
Which Dompdf/dompdf versions are affected?
Affected versions include releases prior to 2.0.0 across affected packages: dompdf/dompdf.
What version fixes CVE-2022-2400?
Upgrading to 2.0.0 (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 2.0.0. Upgrade your dependency to 2.0.0 or later.
What is the CVSS score of CVE-2022-2400?
CVE-2022-2400 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
What CWE is associated with CVE-2022-2400?
CVE-2022-2400 is classified under CWE-73: External Control of File Name or Path (The product allows user input to control or influence paths or file names that are used in filesystem operations.).
How can I check Packagist dependencies for CVE-2022-2400?
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
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-5qj8-6xxj-hp9h",
  "modified" : "2022-07-25T18:25:17Z",
  "published" : "2022-07-19T00:00:26Z",
  "aliases" : [ "CVE-2022-2400" ],
  "summary" : "Dompdf before v2.0.0 vulnerable to chroot check bypass",
  "details" : "Dompdf prior to version 2.0.0 is vulnerable to a chroot check bypass, which could cause disclosure of png and jpeg files.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "dompdf/dompdf"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "2.0.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2022-2400"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/dompdf/dompdf/commit/99aeec1efec9213e87098d42eb09439e7ee0bb6a"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/dompdf/dompdf"
  }, {
    "type" : "WEB",
    "url" : "https://huntr.dev/bounties/a6da5e5e-86be-499a-a3c3-2950f749202a"
  }, {
    "type" : "WEB",
    "url" : "https://lists.debian.org/debian-lts-announce/2023/07/msg00017.html"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-73" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2022-07-21T21:39:57Z",
    "nvd_published_at" : "2022-07-18T15:15:00Z"
  }
}