Vulnerability-Lookup

GHSA-38H8-X697-GH8Q

Vulnerability from github – Published: 2018-11-09 17:45 – Updated: 2023-09-07 20:13

Summary

Tmp files readable by other users in sync-exec

Details

Affected versions of sync-exec use files located in /tmp/ to buffer command results before returning values. As /tmp/ is almost always set with world readable permissions, this may allow low privilege users on the system to read the results of commands run via sync-exec under a higher privilege user.

Recommendation

There is currently no direct patch for sync-exec, as the child_process.execSync function provided in Node.js v0.12.0 and later provides the same functionality natively.

The best mitigation currently is to update to Node.js v0.12.0 or later, and migrate all uses of sync-exec to child_process.execSync().

Severity

6.5 (Medium)


                  
                    CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "sync-exec"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "0.6.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2017-16024"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-377"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2020-06-16T20:54:36Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "Affected versions of `sync-exec` use files located in `/tmp/` to buffer command results before returning values. As `/tmp/` is almost always set with world readable permissions, this may allow low privilege users on the system to read the results of commands run via `sync-exec` under a higher privilege user.\n\n\n## Recommendation\n\nThere is currently no direct patch for `sync-exec`, as the `child_process.execSync` function provided in Node.js v0.12.0 and later provides the same functionality natively. \n\nThe best mitigation currently is to update to Node.js v0.12.0 or later, and migrate all uses of `sync-exec` to `child_process.execSync()`.",
  "id": "GHSA-38h8-x697-gh8q",
  "modified": "2023-09-07T20:13:49Z",
  "published": "2018-11-09T17:45:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2017-16024"
    },
    {
      "type": "WEB",
      "url": "https://github.com/gvarsanyi/sync-exec/issues/17"
    },
    {
      "type": "WEB",
      "url": "https://cwe.mitre.org/data/definitions/377.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-38h8-x697-gh8q"
    },
    {
      "type": "WEB",
      "url": "https://www.npmjs.com/advisories/310"
    },
    {
      "type": "WEB",
      "url": "https://www.owasp.org/index.php/Insecure_Temporary_File"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Tmp files readable by other users in sync-exec"
}

CVE-2017-16024 (GCVE-0-2017-16024)

Vulnerability from cvelistv5 – Published: 2018-06-04 19:00 – Updated: 2024-09-16 17:48

Summary

The sync-exec module is used to simulate child_process.execSync in node versions <0.11.9. Sync-exec uses tmp directories as a buffer before returning values. Other users on the server have read access to the tmp directory, possibly allowing an attacker on the server to obtain confidential information from the buffer/tmp file, while it exists.

Severity

No CVSS data available.

CWE

CWE-377 - Insecure Temporary File (CWE-377)

Assigner

hackerone CNA under the mitre root

CNA scorecard D 59/100 over 187 records in the last 180 days details

References

4 references

URL	Tags
https://cwe.mitre.org/data/definitions/377.html	x_refsource_MISC
https://www.owasp.org/index.php/Insecure_Temporary_File	x_refsource_MISC
https://github.com/gvarsanyi/sync-exec/issues/17	x_refsource_MISC
https://nodesecurity.io/advisories/310	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
HackerOne	sync-exec node module	Affected: All versions

Date Public

2018-04-26 00:00

Show details on NVD website

JSON

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          "dateUpdated": "2024-08-05T20:13:06.672Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        "references": [
          {
            "tags": [
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            ],
            "url": "https://cwe.mitre.org/data/definitions/377.html"
          },
          {
            "tags": [
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            ],
            "url": "https://www.owasp.org/index.php/Insecure_Temporary_File"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://github.com/gvarsanyi/sync-exec/issues/17"
          },
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            ],
            "url": "https://nodesecurity.io/advisories/310"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "sync-exec node module",
          "vendor": "HackerOne",
          "versions": [
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              "status": "affected",
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            }
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-377",
              "description": "Insecure Temporary File (CWE-377)",
              "lang": "en",
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      ],
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        "dateUpdated": "2018-06-04T18:57:01.000Z",
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          "url": "https://www.owasp.org/index.php/Insecure_Temporary_File"
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            },
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Sightings

Author	Source	Type	Date	Other

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.

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