CVE-2020-13410: Aedes Improper Exception Handling Vulnerability

HIGH
Advisory Identifier: GHSA-gh78-48h3-frjq
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CVSS 7.5
CWE-755
Published
Advisory Summary

CVE-2020-13410 is a HIGH (CVSS 7.5) improper exception handling vulnerability (CWE-755: Improper Handling of Exceptional Conditions) affecting Aedes libraries in the npm ecosystem. The issue involves improper exception handling in aedes. Remediation is available by upgrading affected packages to version 0.42.1.

CVE-2020-13410 at a Glance

CVE Identifier CVE-2020-13410
GHSA Identifier GHSA-gh78-48h3-frjq
Severity HIGH
CVSS v3.1 Base Score 7.5
CWE Classification CWE-755: Improper Handling of Exceptional Conditions
Affected Product Aedes
Package Ecosystem npm
Published Date
Last Updated

Security Impact

CVSS: 7.5

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:N/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 None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability High (A:H)

How to Fix CVE-2020-13410

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

aedes fixed: 0.42.1 
npm install aedes@0.42.1
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

npm ls aedes

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2020-13410, inspect your project dependencies using npm:

npm ls aedes

Analyze the terminal output to locate any version of Aedes in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 0.42.1), your application is affected.

Note: The npm ls aedes command inspects dependencies declared in your package.json and lockfile; it does not perform automated runtime dynamic scanning.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-755: Improper Handling of Exceptional Conditions, where the product does not handle or incorrectly handles an exceptional condition. In Aedes, 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

An issue was discovered in MoscaJS Aedes 0.42.0 and fixed in 0.42.1. lib/write.js does not properly consider exceptions during the writing of an invalid packet to a stream.

CVE-2020-13410 Affected Aedes Versions

1 component(s)
Fixed Versions:
0.42.1
Product / Package Ecosystem Affected Versions Fixed Version
aedes
npm/aedes
npm
< 0.42.1
0.42.1

References

NVD — CVE-2020-13410 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-13410
Aedes Source Repository REPOSITORY
https://github.com/moscajs/aedes/pull/493
Security Fix Commit FIX COMMIT
https://github.com/moscajs/aedes/commit/8d34ee5819cfc983d57e49b45d8c5ef70a76d79b
payatu.com/advisory/dos-in-aed... WEB
https://payatu.com/advisory/dos-in-aedes-mqtt-broker

Frequently Asked Questions

What is CVE-2020-13410?
CVE-2020-13410 is a security vulnerability in Aedes involving Improper exception handling in Aedes under CWE-755: Improper Handling of Exceptional Conditions.
Which Aedes versions are affected?
Affected versions include releases prior to 0.42.1 across affected packages: aedes.
What version fixes CVE-2020-13410?
Upgrading to 0.42.1 (or the latest patched release for your respective branch) resolves the vulnerability.
Is aedes affected?
Yes, aedes is affected in releases prior to 0.42.1. Upgrade your dependency to 0.42.1 or later.
What is the CVSS score of CVE-2020-13410?
CVE-2020-13410 has a CVSS v3.1 base score of 7.5 (HIGH) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
What CWE is associated with CVE-2020-13410?
CVE-2020-13410 is classified under CWE-755: Improper Handling of Exceptional Conditions (The product does not handle or incorrectly handles an exceptional condition.).
How can I check npm dependencies for CVE-2020-13410?
Run the dependency tree command: 'npm ls aedes'. 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-gh78-48h3-frjq",
  "modified" : "2022-07-11T19:22:01Z",
  "published" : "2021-05-06T18:10:46Z",
  "aliases" : [ "CVE-2020-13410" ],
  "summary" : "Improper exception handling in Aedes",
  "details" : "An issue was discovered in MoscaJS Aedes 0.42.0 and fixed in 0.42.1. lib/write.js does not properly consider exceptions during the writing of an invalid packet to a stream. ",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "npm",
      "name" : "aedes"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "0.42.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-13410"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moscajs/aedes/pull/493"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/moscajs/aedes/commit/8d34ee5819cfc983d57e49b45d8c5ef70a76d79b"
  }, {
    "type" : "WEB",
    "url" : "https://payatu.com/advisory/dos-in-aedes-mqtt-broker"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-755" ],
    "severity" : "HIGH",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-05-05T20:02:28Z",
    "nvd_published_at" : "2020-08-26T15:15:00Z"
  }
}