Vulnerabilities in pkg:gem/tweetstream

PACKAGE

Advisory Identifier: GHSA-6hrm-jqp3-64cv

Advisory Summary

CVE-2020-24393 is a MODERATE (CVSS 5.9) improper certificate validation vulnerability (CWE-295: Improper Certificate Validation) affecting Tweetstream libraries in the RubyGems ecosystem. The issue involves improper certificate validation in tweetstream. Remediation is available in the latest vendor maintenance releases.

1 Known Advisory Record(s)

Package Vulnerability Intelligence

pkg:gem/tweetstream

1 Known Advisory Record(s)

Vulnerability advisories affecting package pkg:gem/tweetstream. Select an advisory below to view technical details or fixes.

Advisory ID	CVE / NVD	Severity	Summary
GHSA-6hrm-jqp3-64cv	CVE-2020-24393	MODERATE	Improper Certificate Validation in TweetStream

CVE-2020-24393 at a Glance

CVE Identifier CVE-2020-24393

GHSA Identifier GHSA-6hrm-jqp3-64cv

Severity MODERATE

CVSS v3.1 Base Score 5.9

CWE Classification CWE-295: Improper Certificate Validation

Affected Product Tweetstream

Package Ecosystem RubyGems

Published Date 2021-04-13

Last Updated 2023-01-26

Security Impact

CVSS: 5.9

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N).

Attack Vector Network (AV:N)

Attack Complexity High (AC:H)

Privileges Required None (PR:N)

User Interaction None (UI:N)

Scope Unchanged (S:U)

Confidentiality None (C:N)

Integrity High (I:H)

Availability None (A:N)

How to Fix CVE-2020-24393

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

tweetstream fixed: Latest secure release

Upgrade tweetstream to Latest secure release

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 tweetstream

How to Check if You Are Affected

To determine whether your application is affected by CVE-2020-24393, inspect your project dependencies for Tweetstream:

inspect dependencies for tweetstream

Analyze the terminal output to locate any version of Tweetstream in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than the patched release), 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-295: Improper Certificate Validation, where the product does not validate, or incorrectly validates, a certificate. In Tweetstream, 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

TweetStream 2.6.1 uses the library eventmachine in an insecure way that does not have TLS hostname validation. This allows an attacker to perform a man-in-the-middle attack.

CVE-2020-24393 Affected Tweetstream Versions

1 component(s)

Product / Package	Ecosystem	Affected Versions	Fixed Version
tweetstream gem/tweetstream	RubyGems	≤ 2.6.1

References

NVD — CVE-2020-24393 NVD

https://nvd.nist.gov/vuln/detail/CVE-2020-24393

Tweetstream Source Repository REPOSITORY

https://github.com/tweetstream/tweetstream

GitHub Advisory / Wiki ADVISORY

https://securitylab.github.com/advisories/GHSL-2020-096-tweetstream-tweetstream

Frequently Asked Questions

What is CVE-2020-24393?

CVE-2020-24393 is a security vulnerability in Tweetstream involving Improper Certificate Validation in TweetStream under CWE-295: Improper Certificate Validation.

Which Tweetstream versions are affected?

Affected versions include releases prior to current release patches across affected packages: tweetstream.

What version fixes CVE-2020-24393?

Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.

Is tweetstream affected?

Yes, tweetstream is affected in releases prior to Latest secure release. Upgrade your dependency to Latest secure release or later.

What is the CVSS score of CVE-2020-24393?

CVE-2020-24393 has a CVSS v3.1 base score of 5.9 (MODERATE) with vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N.

What CWE is associated with CVE-2020-24393?

CVE-2020-24393 is classified under CWE-295: Improper Certificate Validation (The product does not validate, or incorrectly validates, a certificate.).

How can I check RubyGems dependencies for CVE-2020-24393?

Run the dependency tree command: 'inspect dependencies for tweetstream'. 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-6hrm-jqp3-64cv",
  "modified" : "2023-01-26T22:35:31Z",
  "published" : "2021-04-13T15:42:36Z",
  "aliases" : [ "CVE-2020-24393" ],
  "summary" : "Improper Certificate Validation in TweetStream",
  "details" : "TweetStream 2.6.1 uses the library eventmachine in an insecure way that does not have TLS hostname validation. This allows an attacker to perform a man-in-the-middle attack.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "tweetstream"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "2.6.1"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2020-24393"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/tweetstream/tweetstream"
  }, {
    "type" : "ADVISORY",
    "url" : "https://securitylab.github.com/advisories/GHSL-2020-096-tweetstream-tweetstream"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-295" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2021-03-29T22:54:38Z",
    "nvd_published_at" : "2021-02-19T23:15:00Z"
  }
}

CVSS V3

5.9 MODERATE