CVE-2020-12697: Directmailteam/direct mail Denial of Service Vulnerability

MODERATE
Advisory Identifier: GHSA-5gm6-r79q-hfgw
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CVSS 5.3
CWE-770
Published
Advisory Summary

CVE-2020-12697 is a MODERATE (CVSS 5.3) denial of service vulnerability (CWE-770: Allocation of Resources Without Limits or Throttling) affecting Directmailteam/direct mail libraries in the Packagist ecosystem. The issue involves denial of service in direct_mail. Remediation is available by upgrading affected packages to version 5.2.4.

CVE-2020-12697 at a Glance

CVE Identifier CVE-2020-12697
GHSA Identifier GHSA-5gm6-r79q-hfgw
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-770: Allocation of Resources Without Limits or Throttling
Affected Product Directmailteam/direct mail
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:N/I:N/A:L).

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

How to Fix CVE-2020-12697

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

directmailteam/direct-mail fixed: 5.2.4 
Upgrade directmailteam/direct-mail to 5.2.4
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 directmailteam/direct-mail

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-12697, inspect your project dependencies for Directmailteam/direct mail:

inspect dependencies for directmailteam/direct-mail

Analyze the terminal output to locate any version of Directmailteam/direct mail in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.2.4), 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-770: Allocation of Resources Without Limits or Throttling, where the product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated. In Directmailteam/direct mail, 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

The direct_mail extension through 5.2.3 for TYPO3 allows Denial of Service via log entries.

CVE-2020-12697 Affected Directmailteam/direct mail Versions

1 component(s)
Fixed Versions:
5.2.4
Product / Package Ecosystem Affected Versions Fixed Version
directmailteam/direct-mail
 Packagist
< 5.2.4
5.2.4

References

NVD — CVE-2020-12697 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12697
Directmailteam/direct mail Security Information SECURITY
https://typo3.org/help/security-advisories
Directmailteam/direct mail Security Information SECURITY
https://typo3.org/security/advisory/typo3-ext-sa-2020-005

Frequently Asked Questions

What is CVE-2020-12697?
CVE-2020-12697 is a security vulnerability in Directmailteam/direct mail involving Denial of service in direct_mail under CWE-770: Allocation of Resources Without Limits or Throttling.
Which Directmailteam/direct mail versions are affected?
Affected versions include releases prior to 5.2.4 across affected packages: directmailteam/direct-mail.
What version fixes CVE-2020-12697?
Upgrading to 5.2.4 (or the latest patched release for your respective branch) resolves the vulnerability.
Is directmailteam/direct-mail affected?
Yes, directmailteam/direct-mail is affected in releases prior to 5.2.4. Upgrade your dependency to 5.2.4 or later.
What is the CVSS score of CVE-2020-12697?
CVE-2020-12697 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:N/I:N/A:L.
What CWE is associated with CVE-2020-12697?
CVE-2020-12697 is classified under CWE-770: Allocation of Resources Without Limits or Throttling (The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.).
How can I check Packagist dependencies for CVE-2020-12697?
Run the dependency tree command: 'inspect dependencies for directmailteam/direct-mail'. 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-5gm6-r79q-hfgw",
  "modified" : "2021-05-21T23:08:20Z",
  "published" : "2021-05-24T16:58:32Z",
  "aliases" : [ "CVE-2020-12697" ],
  "summary" : "Denial of service in direct_mail",
  "details" : "The direct_mail extension through 5.2.3 for TYPO3 allows Denial of Service via log entries.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "Packagist",
      "name" : "directmailteam/direct-mail"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "5.2.4"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-12697"
  }, {
    "type" : "WEB",
    "url" : "https://typo3.org/help/security-advisories"
  }, {
    "type" : "WEB",
    "url" : "https://typo3.org/security/advisory/typo3-ext-sa-2020-005"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-770" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-21T23:08:20Z",
    "nvd_published_at" : "2020-05-13T13:15:00Z"
  }
}