cvelistv5 - cve-2024-34347

CVE-2024-34347 (GCVE-0-2024-34347)

Vulnerability from cvelistv5 – Published: 2024-05-08 14:16 – Updated: 2025-06-10 15:33

Summary

@hoppscotch/cli is a CLI to run Hoppscotch Test Scripts in CI environments. Prior to 0.8.0, the @hoppscotch/js-sandbox package provides a Javascript sandbox that uses the Node.js vm module. However, the vm module is not safe for sandboxing untrusted Javascript code. This is because code inside the vm context can break out if it can get a hold of any reference to an object created outside of the vm. In the case of @hoppscotch/js-sandbox, multiple references to external objects are passed into the vm context to allow pre-request scripts interactions with environment variables and more. But this also allows the pre-request script to escape the sandbox. This vulnerability is fixed in 0.8.0.

Severity ?

8.4 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

CWE

CWE-77 - Improper Neutralization of Special Elements used in a Command ('Command Injection')

Assigner

GitHub_M

References

URL

Tags

	https://github.com/hoppscotch/hoppscotch/security…	x_refsource_CONFIRM
	https://github.com/hoppscotch/hoppscotch/commit/2…	x_refsource_MISC
	https://www.sonarsource.com/blog/scripting-outsid…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	hoppscotch	hoppscotch	Affected: >= 0.5.0, < 0.8.0

Show details on NVD website

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GHSA-QMMM-73R2-F8XR

Vulnerability from github – Published: 2024-04-22 18:38 – Updated: 2025-06-10 15:33

Summary

@hoppscotch/cli affected by Sandbox Escape in @hoppscotch/js-sandbox leads to RCE

Details

Observations

The Hoppscotch desktop app takes multiple precautions to be secure against arbitrary JavaScript and system command execution. It does not render user-controlled HTML or Markdown, uses Tauri instead of Electron, and sandboxes pre-request scripts with a simple yet secure implementation using web workers.

Unfortunately, web workers are not available in a pure Node.js application like Hoppscotch CLI. That is why the @hoppscotch/js-sandbox package also provides a Javascript sandbox that uses the Node.js vm module. However, the vm module is not safe for sandboxing untrusted Javascript code, as stated in the documentation. This is because code inside the vm context can break out if it can get a hold of any reference to an object created outside of the vm.

In the case of @hoppscotch/js-sandbox, multiple references to external objects are passed into the vm context to allow pre-request scripts interactions with environment variables and more. But this also allows the pre-request script to escape the sandbox. packages/hoppscotch-js-sandbox/src/pre-request/node-vm/index.ts

const { pw, updatedEnvs } = getPreRequestScriptMethods(envs)

// Expose pw to the context
context.pw = pw
context.atob = atob
context.btoa = btoa

// Run the pre-request script in the provided context
runInContext(preRequestScript, context)

Exploitation

An attacker can use the exposed pw object reference to escape the sandbox and execute arbitrary system commands using the child_process Node.js module. This PoC pre-request script executes the id > /tmp/pwnd system command as soon as a request is sent.

outside = pw.constructor.constructor('return this')()
outside.process.mainModule.require('child_process').execSync('id > /tmp/pwnd')

An attacker who wants to run arbitrary code on the machine of a victim can create a Hoppscotch collection containing a request with a malicious pre-request script and share it with a victim, using the JSON export feature. The victim then has to run the collection with the Hoppscotch CLI. Then the malicious pre-request script executes.

Impact

This attack gives an attacker arbitrary command execution on the machine of a victim Hoppscotch CLI user. For the attack to succeed, an attacker has to lure the victim into downloading a malicious Hoppscotch collection and running it with the Hoppscotch CLI.

This issue does not impact Hoppscotch Web or Desktop, as they use the safe web worker sandboxing approach.

Recommendations

Hoppscotch CLI and other tools that rely on @hoppscotch/js-sandbox but don't have access to a browser cannot use the web worker sandbox. For these, you can look into other safe JavaScript sandboxing libraries. We think that isolated-vm looks promising. We discourage the use of vm2, which is deprecated because it has arbitrary bypasses. Alternatively, you can introduce an --enable-scripting flag for the CLI and disable scripting by default. Or you can change the threat model and educate users that they should not run untrusted collections as it can lead to RCE.

Differences from existing CVEs

nvd.nist.gov/vuln/detail/CVE-2023-37466 : This CVE is regarding an escape of vm2 which we do not even use.

Severity ?

8.3 (High)


                  
                    CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

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      ]
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  ],
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    "nvd_published_at": "2024-05-08T15:15:11Z",
    "severity": "HIGH"
  },
  "details": "### Observations\n\nThe Hoppscotch desktop app takes multiple precautions to be secure against arbitrary JavaScript and system command execution. It does not render user-controlled HTML or Markdown, uses Tauri instead of Electron, and sandboxes pre-request scripts with a simple yet secure implementation using web workers.\n\nUnfortunately, web workers are not available in a pure Node.js application like Hoppscotch CLI. That is why the [@hoppscotch/js-sandbox](https://github.com/hoppscotch/hoppscotch/tree/main/packages/hoppscotch-js-sandbox) package also provides a Javascript sandbox that uses the Node.js `vm` module. However, the `vm` module is not safe for sandboxing untrusted Javascript code, as stated [in the documentation](https://nodejs.org/api/vm.html#vm-executing-javascript). This is because [code inside the vm context can break out](https://thegoodhacker.com/posts/the-unsecure-node-vm-module/) if it can get a hold of any reference to an object created outside of the vm.\n\nIn the case of @hoppscotch/js-sandbox, multiple references to external objects are passed into the vm context to allow pre-request scripts interactions with environment variables and more. But this also allows the pre-request script to escape the sandbox.\n[packages/hoppscotch-js-sandbox/src/pre-request/node-vm/index.ts](https://github.com/hoppscotch/hoppscotch/blob/faab1d20fde9a6be660db40fc73dcf28f9038008/packages/hoppscotch-js-sandbox/src/pre-request/node-vm/index.ts#L23-L31)\n```js\nconst { pw, updatedEnvs } = getPreRequestScriptMethods(envs)\n\n// Expose pw to the context\ncontext.pw = pw\ncontext.atob = atob\ncontext.btoa = btoa\n\n// Run the pre-request script in the provided context\nrunInContext(preRequestScript, context)\n```\n\n### Exploitation\n\nAn attacker can use the exposed `pw` object reference to escape the sandbox and execute arbitrary system commands using the `child_process` Node.js module. This PoC pre-request script executes the `id \u003e /tmp/pwnd` system command as soon as a request is sent.\n```js\noutside = pw.constructor.constructor(\u0027return this\u0027)()\noutside.process.mainModule.require(\u0027child_process\u0027).execSync(\u0027id \u003e /tmp/pwnd\u0027)\n```\nAn attacker who wants to run arbitrary code on the machine of a victim can create a Hoppscotch collection containing a request with a malicious pre-request script and share it with a victim, using the JSON export feature. The victim then has to run the collection with the Hoppscotch CLI. Then the malicious pre-request script executes.\n\n### Impact\n\nThis attack gives an attacker arbitrary command execution on the machine of a victim Hoppscotch CLI user. For the attack to succeed, an attacker has to lure the victim into downloading a malicious Hoppscotch collection and running it with the Hoppscotch CLI.\n\nThis issue does not impact Hoppscotch Web or Desktop, as they use the safe web worker sandboxing approach.\n\n### Recommendations\n\nHoppscotch CLI and other tools that rely on @hoppscotch/js-sandbox but don\u0027t have access to a browser cannot use the web worker sandbox. For these, you can look into other safe JavaScript sandboxing libraries. We think that [isolated-vm](https://github.com/laverdet/isolated-vm) looks promising. We discourage the use of [vm2](https://github.com/patriksimek/vm2), which is deprecated because it has arbitrary bypasses. Alternatively, you can introduce an `--enable-scripting` flag for the CLI and disable scripting by default. Or you can change the threat model and educate users that they should not run untrusted collections as it can lead to RCE.\n\n\n### Differences from existing CVEs\n- [nvd.nist.gov/vuln/detail/CVE-2023-37466](https://nvd.nist.gov/vuln/detail/CVE-2023-37466) : This CVE is regarding an escape of vm2 which we do not even use.",
  "id": "GHSA-qmmm-73r2-f8xr",
  "modified": "2025-06-10T15:33:54Z",
  "published": "2024-04-22T18:38:11Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-qmmm-73r2-f8xr"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-34347"
    },
    {
      "type": "WEB",
      "url": "https://github.com/hoppscotch/hoppscotch/commit/22c6eabd133195d22874250a5ae40cb26b851b01"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/hoppscotch/hoppscotch"
    },
    {
      "type": "WEB",
      "url": "https://www.sonarsource.com/blog/scripting-outside-the-box-api-client-security-risks-part-2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "@hoppscotch/cli affected by Sandbox Escape in @hoppscotch/js-sandbox leads to RCE"
}

FKIE_CVE-2024-34347

Vulnerability from fkie_nvd - Published: 2024-05-08 15:15 - Updated: 2025-06-10 16:15

Severity ?

8.3 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/hoppscotch/hoppscotch/commit/22c6eabd133195d22874250a5ae40cb26b851b01
	security-advisories@github.com	https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-qmmm-73r2-f8xr
	security-advisories@github.com	https://www.sonarsource.com/blog/scripting-outside-the-box-api-client-security-risks-part-2
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/hoppscotch/hoppscotch/commit/22c6eabd133195d22874250a5ae40cb26b851b01
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-qmmm-73r2-f8xr

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "@hoppscotch/cli is a CLI to run Hoppscotch Test Scripts in CI environments. Prior to 0.8.0, the @hoppscotch/js-sandbox package provides a Javascript sandbox that uses the Node.js vm module. However, the vm module is not safe for sandboxing untrusted Javascript code. This is because code inside the vm context can break out if it can get a hold of any reference to an object created outside of the vm. In the case of @hoppscotch/js-sandbox, multiple references to external objects are passed into the vm context to allow pre-request scripts interactions with environment variables and more. But this also allows the pre-request script to escape the sandbox. This vulnerability is fixed in 0.8.0."
    },
    {
      "lang": "es",
      "value": "@hoppscotch/cli es una CLI para ejecutar scripts de prueba de Hoppscotch en entornos de CI. Antes de 0.8.0, el paquete @hoppscotch/js-sandbox proporciona un entorno limitado de Javascript que utiliza el m\u00f3dulo vm de Node.js. Sin embargo, el m\u00f3dulo vm no es seguro para el c\u00f3digo Javascript que no es de confianza. Esto se debe a que el c\u00f3digo dentro del contexto de la m\u00e1quina virtual puede romperse si puede obtener cualquier referencia a un objeto creado fuera de la m\u00e1quina virtual. En el caso de @hoppscotch/js-sandbox, se pasan m\u00faltiples referencias a objetos externos al contexto de la m\u00e1quina virtual para permitir interacciones de scripts de solicitud previa con variables de entorno y m\u00e1s. Pero esto tambi\u00e9n permite que el script de solicitud previa escape del entorno limitado. Esta vulnerabilidad se solucion\u00f3 en 0.8.0."
    }
  ],
  "id": "CVE-2024-34347",
  "lastModified": "2025-06-10T16:15:34.867",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.3,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 6.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2024-05-08T15:15:11.310",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/hoppscotch/hoppscotch/commit/22c6eabd133195d22874250a5ae40cb26b851b01"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-qmmm-73r2-f8xr"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://www.sonarsource.com/blog/scripting-outside-the-box-api-client-security-risks-part-2"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/hoppscotch/hoppscotch/commit/22c6eabd133195d22874250a5ae40cb26b851b01"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://github.com/hoppscotch/hoppscotch/security/advisories/GHSA-qmmm-73r2-f8xr"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-77"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

CVE-2024-34347 (GCVE-0-2024-34347)

GHSA-QMMM-73R2-F8XR

Observations

Exploitation

Impact

Recommendations

Differences from existing CVEs

FKIE_CVE-2024-34347

Tags

Sightings

Nomenclature