cvelistv5 - cve-2023-35931

cve-2023-35931

Vulnerability from cvelistv5

Published

2023-06-23 19:32

Modified

2024-12-05 16:09

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Shescape is a simple shell escape library for JavaScript. An attacker may be able to get read-only access to environment variables. This bug has been patched in version 1.7.1.

References

URL	Tags
security-advisories@github.com	https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac	Patch
security-advisories@github.com	https://github.com/ericcornelissen/shescape/pull/982	Patch
security-advisories@github.com	https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1	Release Notes
security-advisories@github.com	https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r	Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/pull/982	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r	Exploit, Vendor Advisory

Impacted products

Vendor

Product

Version

▼

ericcornelissen

shescape

Version: < 1.7.1

Show details on NVD website

JSON

To clipboard

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cve-2023-35931

Vulnerability from fkie_nvd

Published

2023-06-23 20:15

Modified

2024-11-21 08:09

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Shescape is a simple shell escape library for JavaScript. An attacker may be able to get read-only access to environment variables. This bug has been patched in version 1.7.1.

References

URL	Tags
security-advisories@github.com	https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac	Patch
security-advisories@github.com	https://github.com/ericcornelissen/shescape/pull/982	Patch
security-advisories@github.com	https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1	Release Notes
security-advisories@github.com	https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r	Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/pull/982	Patch
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1	Release Notes
af854a3a-2127-422b-91ae-364da2661108	https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r	Exploit, Vendor Advisory

Impacted products

	Vendor	Product	Version
	shescape_project	shescape	*

JSON

To clipboard

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          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-06-23T20:15:09.357",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/ericcornelissen/shescape/pull/982"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/ericcornelissen/shescape/pull/982"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Release Notes"
      ],
      "url": "https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-526"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Primary"
    }
  ]
}

ghsa-3g7p-8qhx-mc8r

Vulnerability from github

Published

2023-06-22 20:01

Modified

2023-06-26 16:35

Severity ?

3.1 (Low) - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

Summary

Shescape potential environment variable exposure on Windows with CMD

Details

Impact

This impact users of Shescape:

On Windows using the Windows Command Prompt (i.e. cmd.exe), and
Using quote/quoteAll or escape/escapeAll with the interpolation option set to true.

An attacker may be able to get read-only access to environment variables. Example:

```javascript import * as cp from "node:child_process"; import * as shescape from "shescape";

// 1. Prerequisites const options = { shell: "cmd.exe", // Or shell: undefined, // Only if the default shell is CMD

// And
interpolation: true, // Only applies to `escape` and `escapeAll` usage

}

// 2. Attack (one of many) const payload = "%PATH%";

// 3. Usage let escapedPayload;

escapedPayload = shescape.quote(payload, options); // Or escapedPayload = shescape.quoteAll([payload], options); // Or escapedPayload = shescape.escape(payload, options); // Or escapedPayload = shescape.escapeAll([payload], options);

// And (example) const result = cp.execSync(echo Hello ${escapedPayload}, options);

// 4. Impact console.log(result.toString()); // Outputs "Hello" followed by the contents of the PATH environment variable ```

Patches

This bug has been patched in v1.7.1 which you can upgrade to now. No further changes are required.

Workarounds

Alternatively, users can remove all instances of % from user input, either before or after using Shescape.

References

Shescape Pull request #982
Shescape commit d0fce70
Shescape Release v1.7.1

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "shescape"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.7.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2023-35931"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-526"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-06-22T20:01:39Z",
    "nvd_published_at": "2023-06-23T20:15:09Z",
    "severity": "LOW"
  },
  "details": "### Impact\n\nThis impact users of Shescape:\n\n1. On Windows using the Windows Command Prompt (i.e. `cmd.exe`), and\n2. Using `quote`/`quoteAll` or `escape`/`escapeAll` with the `interpolation` option set to `true`.\n\nAn attacker may be able to get read-only access to environment variables. Example:\n\n```javascript\nimport * as cp from \"node:child_process\";\nimport * as shescape from \"shescape\";\n\n// 1. Prerequisites\nconst options = {\n    shell: \"cmd.exe\",\n    // Or\n    shell: undefined, // Only if the default shell is CMD\n\n    // And\n    interpolation: true, // Only applies to `escape` and `escapeAll` usage\n}\n\n// 2. Attack (one of many)\nconst payload = \"%PATH%\";\n\n// 3. Usage\nlet escapedPayload;\n\nescapedPayload = shescape.quote(payload, options);\n// Or\nescapedPayload = shescape.quoteAll([payload], options);\n// Or\nescapedPayload = shescape.escape(payload, options);\n// Or\nescapedPayload = shescape.escapeAll([payload], options);\n\n// And (example)\nconst result = cp.execSync(`echo Hello ${escapedPayload}`, options);\n\n// 4. Impact\nconsole.log(result.toString());\n// Outputs \"Hello\" followed by the contents of the PATH environment variable\n```\n\n### Patches\n\nThis bug has been patched in [v1.7.1](https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1) which you can upgrade to now. No further changes are required.\n\n### Workarounds\n\nAlternatively, users can remove all instances of `%` from user input, either before or after using Shescape.\n\n### References\n\n- Shescape Pull request [#982](https://github.com/ericcornelissen/shescape/pull/982)\n- Shescape commit [`d0fce70`](https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac)\n- Shescape Release [v1.7.1](https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1)\n",
  "id": "GHSA-3g7p-8qhx-mc8r",
  "modified": "2023-06-26T16:35:03Z",
  "published": "2023-06-22T20:01:39Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/ericcornelissen/shescape/security/advisories/GHSA-3g7p-8qhx-mc8r"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-35931"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ericcornelissen/shescape/pull/982"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ericcornelissen/shescape/commit/d0fce70f987ac0d8331f93cb45d47e79436173ac"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/ericcornelissen/shescape"
    },
    {
      "type": "WEB",
      "url": "https://github.com/ericcornelissen/shescape/releases/tag/v1.7.1"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Shescape potential environment variable exposure on Windows with CMD"
}

gsd-2023-35931

Vulnerability from gsd

Modified

2023-12-13 01:20

Details

Shescape is a simple shell escape library for JavaScript. An attacker may be able to get read-only access to environment variables. This bug has been patched in version 1.7.1.

Aliases

CVE-2023-35931

Aliases

CVE-2023-35931

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2023-35931",
    "id": "GSD-2023-35931"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
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      "aliases": [
        "CVE-2023-35931"
      ],
      "details": "Shescape is a simple shell escape library for JavaScript. An attacker may be able to get read-only access to environment variables. This bug has been patched in version 1.7.1.\n\n\n",
      "id": "GSD-2023-35931",
      "modified": "2023-12-13T01:20:46.258510Z",
      "schema_version": "1.4.0"
    }
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                          "version_affected": "=",
                          "version_value": "\u003c 1.7.1"
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      "impact": {
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            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
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      },
      "source": {
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    "gitlab.com": {
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          "package_slug": "npm/shescape",
          "pubdate": "2023-06-23",
          "solution": "Upgrade to version 1.7.1 or above.",
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    },
    "nvd.nist.gov": {
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      },
      "lastModifiedDate": "2023-07-04T01:55Z",
      "publishedDate": "2023-06-23T20:15Z"
    }
  }
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

Action not permitted

cve-2023-35931

Vulnerability from cvelistv5

cve-2023-35931

Vulnerability from fkie_nvd

ghsa-3g7p-8qhx-mc8r

Vulnerability from github

Impact

Patches

Workarounds

References

gsd-2023-35931

Vulnerability from gsd

Tags

Sightings

Nomenclature