github - ghsa-rvp4-r3g6-8hxq

ghsa-rvp4-r3g6-8hxq

Vulnerability from github

Published

2022-06-20 22:33

Modified

2023-08-08 20:30

Severity ?

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

Summary

Insufficiently Protected Credentials via Insecure Temporary File in org.apache.nifi:nifi-single-user-utils

Details

Impact

org.apache.nifi.authentication.single.user.writer.StandardLoginCredentialsWriter contains a local information disclosure vulnerability due to writing credentials (username and password) to a file that is readable by all other users on unix-like systems. On unix-like systems, the system's temporary directory is shared between all users on that system. As such, files written to that directory without setting the correct file permissions can allow other users on that system to view the contents of the files written to those temporary files.

Source

An insecure temporary file is created here: - https://github.com/apache/nifi/blob/6a1c7c72d5b91b9ce5d5cb5b86e3155d21e2c19b/nifi-commons/nifi-single-user-utils/src/main/java/org/apache/nifi/authentication/single/user/writer/StandardLoginCredentialsWriter.java#L75

The username and password credentials are written to this file here: - https://github.com/apache/nifi/blob/6a1c7c72d5b91b9ce5d5cb5b86e3155d21e2c19b/nifi-commons/nifi-single-user-utils/src/main/java/org/apache/nifi/authentication/single/user/writer/StandardLoginCredentialsWriter.java#L85-L95

Patches

The vulnerability has been patched in version 1.16.

Prerequisites

This vulnerability impacts Unix-like systems, and very old versions of Mac OSX and Windows as they all share the system temporary directory between all users.

Workarounds

Setting the java.io.tmpdir system environment variable to a directory that is exclusively owned by the executing user will fix this vulnerability for all operating systems.

References

https://issues.apache.org/jira/browse/NIFI-9785
https://github.com/apache/nifi/commit/859d5fe
https://github.com/apache/nifi/pull/5856
https://nifi.apache.org/security.html#CVE-2022-26850
https://twitter.com/JLLeitschuh/status/1511736635645435904?s=20&t=I3w3zF6Y2DUvWYsEFqERjg

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "database_specific": {
        "last_known_affected_version_range": "\u003c= 1.15.3"
      },
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.nifi:nifi-single-user-utils"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.16"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2022-26850"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-522"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2022-06-20T22:33:41Z",
    "nvd_published_at": "2022-04-06T18:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\n`org.apache.nifi.authentication.single.user.writer.StandardLoginCredentialsWriter` contains a local information disclosure vulnerability due to writing credentials (username and password) to a file that is readable by all other users on unix-like systems. On unix-like systems, the system\u0027s temporary directory is shared between all users on that system. As such, files written to that directory without setting the correct file permissions can allow other users on that system to view the contents of the files written to those temporary files.\n\n### Source\n\nAn insecure temporary file is created here:\n - https://github.com/apache/nifi/blob/6a1c7c72d5b91b9ce5d5cb5b86e3155d21e2c19b/nifi-commons/nifi-single-user-utils/src/main/java/org/apache/nifi/authentication/single/user/writer/StandardLoginCredentialsWriter.java#L75\n\nThe username and password credentials are written to this file here:\n - https://github.com/apache/nifi/blob/6a1c7c72d5b91b9ce5d5cb5b86e3155d21e2c19b/nifi-commons/nifi-single-user-utils/src/main/java/org/apache/nifi/authentication/single/user/writer/StandardLoginCredentialsWriter.java#L85-L95\n\n### Patches\n\nThe vulnerability has been patched in version `1.16`.\n\n### Prerequisites\n\nThis vulnerability impacts Unix-like systems, and very old versions of Mac OSX and Windows as they all share the system temporary directory between all users.\n\n### Workarounds\n\nSetting the `java.io.tmpdir` system environment variable to a directory that is exclusively owned by the executing user will fix this vulnerability for all operating systems.\n\n### References\n\n - https://issues.apache.org/jira/browse/NIFI-9785\n - https://github.com/apache/nifi/commit/859d5fe\n - https://github.com/apache/nifi/pull/5856\n - https://nifi.apache.org/security.html#CVE-2022-26850\n - https://twitter.com/JLLeitschuh/status/1511736635645435904?s=20\u0026t=I3w3zF6Y2DUvWYsEFqERjg",
  "id": "GHSA-rvp4-r3g6-8hxq",
  "modified": "2023-08-08T20:30:32Z",
  "published": "2022-06-20T22:33:41Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/JLLeitschuh/security-research/security/advisories/GHSA-rvp4-r3g6-8hxq"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-26850"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/nifi/commit/859d5fe"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/nifi/commit/859d5fe8cfe05ad24600b021f0ebf15753a8105c"
    },
    {
      "type": "WEB",
      "url": "https://nifi.apache.org/security.html#CVE-2022-26850"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2022/04/06/2"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Insufficiently Protected Credentials via Insecure Temporary File in org.apache.nifi:nifi-single-user-utils"
}

cve-2022-26850

Vulnerability from cvelistv5

Published

2022-04-06 17:40

Modified

2024-08-03 05:11

Severity ?

Summary

Insufficiently protected credentials

References

▼	URL	Tags
	https://nifi.apache.org/security.html#CVE-2022-26850	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2022/04/06/2	mailing-list, x_refsource_MLIST

Impacted products

▼	Vendor	Product
	Apache Software Foundation	Apache NiFi

Show details on NVD website

JSON

To clipboard

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        ],
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    ],
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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

ghsa-rvp4-r3g6-8hxq

Vulnerability from github

Impact

Source

Patches

Prerequisites

Workarounds

References

cve-2022-26850

Vulnerability from cvelistv5

Tags

Sightings

Nomenclature