Vulnerabilities in pkg:npm/@absolunet/kafe

PACKAGE
Advisory Identifier: GHSA-hgpf-97c5-74fc
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Advisory Summary

CVE-2020-7761 is a MODERATE (CVSS 5.3) denial of service vulnerability (CWE-400: Uncontrolled Resource Consumption) affecting @absolunet/kafe libraries in the npm ecosystem. The issue involves regular expression denial of service in @absolunet/kafe. Remediation is available by upgrading affected packages to version 3.2.10.

1 Known Advisory Record(s)
Package Vulnerability Intelligence

pkg:npm/@absolunet/kafe

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:npm/@absolunet/kafe. Select an advisory below to view technical details or fixes.

Advisory ID CVE / NVD Severity Summary
GHSA-hgpf-97c5-74fc CVE-2020-7761 MODERATE Regular expression denial of service in @absolunet/kafe

CVE-2020-7761 at a Glance

CVE Identifier CVE-2020-7761
GHSA Identifier GHSA-hgpf-97c5-74fc
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-400: Uncontrolled Resource Consumption
Affected Product @absolunet/kafe
Package Ecosystem npm
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-2020-7761

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

@absolunet/kafe fixed: 3.2.10 
npm install @absolunet/kafe@3.2.10
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 @absolunet/kafe

How to Check if You Are Affected

To determine whether your Node.js application is affected by CVE-2020-7761, inspect your project dependencies using npm:

npm ls @absolunet/kafe

Analyze the terminal output to locate any version of @absolunet/kafe in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 3.2.10), your application is affected.

Note: The npm ls @absolunet/kafe 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-400: Uncontrolled Resource Consumption, where the product does not properly control the allocation and maintenance of a limited resource. In @absolunet/kafe, 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

This affects the package @absolunet/kafe before 3.2.10. It allows cause a denial of service when validating crafted invalid emails.

CVE-2020-7761 Affected @absolunet/kafe Versions

1 component(s)
Fixed Versions:
3.2.10
Product / Package Ecosystem Affected Versions Fixed Version
@absolunet/kafe
npm/@absolunet/kafe
npm
< 3.2.10
3.2.10

References

NVD — CVE-2020-7761 NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-7761
Security Fix Commit FIX COMMIT
https://github.com/absolunet/kafe/commit/c644c798bfcdc1b0bbb1f0ca59e2e2664ff3fdd0%23diff-f0f4b5b19ad46588ae9d7dc1889f681252b0698a4ead3a77b7c7d127ee657857
snyk.io/vuln/snyk-js-absolu... WEB
https://snyk.io/vuln/SNYK-JS-ABSOLUNETKAFE-1017403
www.npmjs.com/package/@absolunet/... WEB
https://www.npmjs.com/package/@absolunet/kafe

Frequently Asked Questions

What is CVE-2020-7761?
CVE-2020-7761 is a security vulnerability in @absolunet/kafe involving Regular expression denial of service in @absolunet/kafe under CWE-400: Uncontrolled Resource Consumption.
Which @absolunet/kafe versions are affected?
Affected versions include releases prior to 3.2.10 across affected packages: @absolunet/kafe.
What version fixes CVE-2020-7761?
Upgrading to 3.2.10 (or the latest patched release for your respective branch) resolves the vulnerability.
Is @absolunet/kafe affected?
Yes, @absolunet/kafe is affected in releases prior to 3.2.10. Upgrade your dependency to 3.2.10 or later.
What is the CVSS score of CVE-2020-7761?
CVE-2020-7761 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-2020-7761?
CVE-2020-7761 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 npm dependencies for CVE-2020-7761?
Run the dependency tree command: 'npm ls @absolunet/kafe'. 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-hgpf-97c5-74fc",
  "modified" : "2021-04-19T23:43:02Z",
  "published" : "2021-05-10T19:08:29Z",
  "aliases" : [ "CVE-2020-7761" ],
  "summary" : "Regular expression denial of service in @absolunet/kafe",
  "details" : "This affects the package @absolunet/kafe before 3.2.10. It allows cause a denial of service when validating crafted invalid emails.",
  "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" : "npm",
      "name" : "@absolunet/kafe"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "fixed" : "3.2.10"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-7761"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/absolunet/kafe/commit/c644c798bfcdc1b0bbb1f0ca59e2e2664ff3fdd0%23diff-f0f4b5b19ad46588ae9d7dc1889f681252b0698a4ead3a77b7c7d127ee657857"
  }, {
    "type" : "WEB",
    "url" : "https://snyk.io/vuln/SNYK-JS-ABSOLUNETKAFE-1017403"
  }, {
    "type" : "WEB",
    "url" : "https://www.npmjs.com/package/@absolunet/kafe"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-400" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-04-19T23:43:02Z",
    "nvd_published_at" : "2020-11-05T11:15:00Z"
  }
}