CVE-2016-10194: Festivaltts4r Festivaltts4r Allows Arbitrary Command Execution Vulnerability

CRITICAL
Advisory Identifier: GHSA-f7f4-5w9j-23p2
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CVSS 9.8
CWE-77
Published
Advisory Summary

CVE-2016-10194 is a CRITICAL (CVSS 9.8) festivaltts4r allows arbitrary command execution vulnerability (CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')) affecting Festivaltts4r libraries in the RubyGems ecosystem. The issue involves festivaltts4r allows arbitrary command execution. Remediation is available in the latest vendor maintenance releases.

CVE-2016-10194 at a Glance

CVE Identifier CVE-2016-10194
GHSA Identifier GHSA-f7f4-5w9j-23p2
Severity CRITICAL
CVSS v3.1 Base Score 9.8
CWE Classification CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')
Affected Product Festivaltts4r
Package Ecosystem RubyGems
Published Date
Last Updated

Security Impact

CVSS: 9.8

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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 High (C:H)
Integrity High (I:H)
Availability High (A:H)

How to Fix CVE-2016-10194

To remediate this vulnerability, upgrade all affected Festivaltts4r dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

festivaltts4r fixed: Latest secure release 
Upgrade festivaltts4r 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 festivaltts4r

How to Check if You Are Affected

To determine whether your application is affected by CVE-2016-10194, inspect your project dependencies for Festivaltts4r:

inspect dependencies for festivaltts4r

Analyze the terminal output to locate any version of Festivaltts4r 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-77: Improper Neutralization of Special Elements used in a Command ('Command Injection'), where the product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. In Festivaltts4r, 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 festivaltts4r gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a string to the (1) `to_speech` or (2) `to_mp3` method in `lib/festivaltts4r/festival4r.rb`.

CVE-2016-10194 Affected Festivaltts4r Versions

1 component(s)
Product / Package Ecosystem Affected Versions Fixed Version
festivaltts4r
gem/festivaltts4r
RubyGems
≤ 0.2.0

References

NVD — CVE-2016-10194 NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-10194
Festivaltts4r Source Repository REPOSITORY
https://github.com/spejman/festivaltts4r/issues/1
Festivaltts4r Source Repository REPOSITORY
https://github.com/spejman/festivaltts4r
Festivaltts4r Security Information SECURITY
http://www.openwall.com/lists/oss-security/2017/01/31/14
Festivaltts4r Security Information SECURITY
http://www.openwall.com/lists/oss-security/2017/02/02/5

Frequently Asked Questions

What is CVE-2016-10194?
CVE-2016-10194 is a security vulnerability in Festivaltts4r involving festivaltts4r allows arbitrary command execution under CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection').
Which Festivaltts4r versions are affected?
Affected versions include releases prior to current release patches across affected packages: festivaltts4r.
What version fixes CVE-2016-10194?
Upgrading to current release patches (or the latest patched release for your respective branch) resolves the vulnerability.
Is festivaltts4r affected?
Yes, festivaltts4r 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-2016-10194?
CVE-2016-10194 has a CVSS v3.1 base score of 9.8 (CRITICAL) with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
What CWE is associated with CVE-2016-10194?
CVE-2016-10194 is classified under CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') (The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.).
How can I check RubyGems dependencies for CVE-2016-10194?
Run the dependency tree command: 'inspect dependencies for festivaltts4r'. 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-f7f4-5w9j-23p2",
  "modified" : "2023-01-25T23:16:58Z",
  "published" : "2017-10-24T18:33:35Z",
  "aliases" : [ "CVE-2016-10194" ],
  "summary" : "festivaltts4r allows arbitrary command execution",
  "details" : "The festivaltts4r gem for Ruby allows remote attackers to execute arbitrary commands via shell metacharacters in a string to the (1) `to_speech` or (2) `to_mp3` method in `lib/festivaltts4r/festival4r.rb`.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "RubyGems",
      "name" : "festivaltts4r"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "0"
      }, {
        "last_affected" : "0.2.0"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2016-10194"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/spejman/festivaltts4r/issues/1"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/spejman/festivaltts4r"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2017/01/31/14"
  }, {
    "type" : "WEB",
    "url" : "http://www.openwall.com/lists/oss-security/2017/02/02/5"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-77" ],
    "severity" : "CRITICAL",
    "github_reviewed" : true,
    "github_reviewed_at" : "2020-06-16T21:33:56Z",
    "nvd_published_at" : null
  }
}