CVE-2006-5734: Phpmailer/phpmailer PHPMailer Local File Inclusion Vulnerability

MODERATE
Advisory Identifier: GHSA-8jc3-5p29-qgjx
Share
Published
Advisory Summary

CVE-2006-5734 is a MODERATE phpmailer local file inclusion vulnerability (General Security Weakness) affecting Phpmailer/phpmailer libraries in the Packagist ecosystem. The issue involves phpmailer local file inclusion. Remediation is available by upgrading affected packages to version 5.2.0.

CVE-2006-5734 at a Glance

CVE Identifier CVE-2006-5734
GHSA Identifier GHSA-8jc3-5p29-qgjx
Severity MODERATE
CVSS v3.1 Base Score N/A
CWE Classification General Security Weakness
Affected Product Phpmailer/phpmailer
Package Ecosystem Packagist
Published Date
Last Updated

How to Fix CVE-2006-5734

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

phpmailer/phpmailer fixed: 5.2.0 
Upgrade phpmailer/phpmailer to 5.2.0
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 phpmailer/phpmailer

How to Check if You Are Affected

To determine whether your application is affected by CVE-2006-5734, inspect your project dependencies for Phpmailer/phpmailer:

inspect dependencies for phpmailer/phpmailer

Analyze the terminal output to locate any version of Phpmailer/phpmailer in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.2.0), 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 General Security Weakness. In Phpmailer/phpmailer, 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 Arbitrary local file inclusion via the `$lang` property, remotely exploitable if host application passes unfiltered user data into that property. The 3 CVEs listed are applications that used PHPMailer that were vulnerable to this problem. ### Patches It's not known exactly when this was fixed in the host applications, but it was fixed in PHPMailer 5.2.0. ### Workarounds Filter and validate user-supplied data before use. ### References https://nvd.nist.gov/vuln/detail/CVE-2006-5734 https://nvd.nist.gov/vuln/detail/CVE-2007-3215 https://nvd.nist.gov/vuln/detail/CVE-2007-2021 Example exploit: https://www.exploit-db.com/exploits/14893 ### For more information If you have any questions or comments about this advisory: * Open a private issue in [the PHPMailer project](https://github.com/PHPMailer/PHPMailer)

CVE-2006-5734 Affected Phpmailer/phpmailer Versions

1 component(s)
Fixed Versions:
5.2.0
Product / Package Ecosystem Affected Versions Fixed Version
phpmailer/phpmailer
 Packagist
< 5.2.0
5.2.0

References

GitHub Advisory / Wiki ADVISORY
https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-8jc3-5p29-qgjx
Phpmailer/phpmailer Source Repository REPOSITORY
https://github.com/PHPMailer/PHPMailer

Frequently Asked Questions

What is CVE-2006-5734?
CVE-2006-5734 is a security vulnerability in Phpmailer/phpmailer involving PHPMailer Local file inclusion under General Security Weakness.
Which Phpmailer/phpmailer versions are affected?
Affected versions include releases prior to 5.2.0 across affected packages: phpmailer/phpmailer.
What version fixes CVE-2006-5734?
Upgrading to 5.2.0 (or the latest patched release for your respective branch) resolves the vulnerability.
Is phpmailer/phpmailer affected?
Yes, phpmailer/phpmailer is affected in releases prior to 5.2.0. Upgrade your dependency to 5.2.0 or later.
What CWE is associated with CVE-2006-5734?
CVE-2006-5734 is classified under General Security Weakness.
How can I check Packagist dependencies for CVE-2006-5734?
Run the dependency tree command: 'inspect dependencies for phpmailer/phpmailer'. 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-8jc3-5p29-qgjx",
  "modified" : "2024-02-02T20:43:57Z",
  "published" : "2024-02-02T20:43:57Z",
  "aliases" : [ "CVE-2006-5734" ],
  "summary" : "PHPMailer Local file inclusion",
  "details" : "### Impact\nArbitrary local file inclusion via the `$lang` property, remotely exploitable if host application passes unfiltered user data into that property. The 3 CVEs listed are applications that used PHPMailer that were vulnerable to this problem.\n\n### Patches\nIt's not known exactly when this was fixed in the host applications, but it was fixed in PHPMailer 5.2.0.\n\n### Workarounds\nFilter and validate user-supplied data before use.\n\n### References\nhttps://nvd.nist.gov/vuln/detail/CVE-2006-5734\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-3215\nhttps://nvd.nist.gov/vuln/detail/CVE-2007-2021\nExample exploit: https://www.exploit-db.com/exploits/14893\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open a private issue in [the PHPMailer project](https://github.com/PHPMailer/PHPMailer)",
  "severity" : [ ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "phpmailer/phpmailer"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.2.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "WEB",
    "url" : "https://github.com/PHPMailer/PHPMailer/security/advisories/GHSA-8jc3-5p29-qgjx"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/PHPMailer/PHPMailer"
  } ],
  "database_specific" : {
    "cwe_ids" : [ ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-02-02T20:43:57Z",
    "nvd_published_at" : null
  }
}