github - ghsa-669x-j2pw-grf8

GHSA-669X-J2PW-GRF8

Vulnerability from github – Published: 2022-04-29 00:00 – Updated: 2022-05-08 00:00

Details

NoMachine for Windows prior to version 6.15.1 and 7.5.2 suffer from local privilege escalation due to the lack of safe DLL loading. This vulnerability allows local non-privileged users to perform DLL Hijacking via any writable directory listed under the system path and ultimately execute code as NT AUTHORITY\SYSTEM.

Severity ?

7.3 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-33436"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-04-28T11:15:00Z",
    "severity": "HIGH"
  },
  "details": "NoMachine for Windows prior to version 6.15.1 and 7.5.2 suffer from local privilege escalation due to the lack of safe DLL loading. This vulnerability allows local non-privileged users to perform DLL Hijacking via any writable directory listed under the system path and ultimately execute code as NT AUTHORITY\\SYSTEM.",
  "id": "GHSA-669x-j2pw-grf8",
  "modified": "2022-05-08T00:00:34Z",
  "published": "2022-04-29T00:00:25Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-33436"
    },
    {
      "type": "WEB",
      "url": "https://github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.md"
    },
    {
      "type": "WEB",
      "url": "https://knowledgebase.nomachine.com/SU05S00223"
    },
    {
      "type": "WEB",
      "url": "https://knowledgebase.nomachine.com/SU05S00224"
    },
    {
      "type": "WEB",
      "url": "https://knowledgebase.nomachine.com/TR05S10236"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-33436 (GCVE-0-2021-33436)

Vulnerability from cvelistv5 – Published: 2022-04-28 10:57 – Updated: 2024-08-03 23:50

Summary

Severity ?

No CVSS data available.

CWE

Assigner

mitre

References

URL

Tags

	https://github.com/active-labs/Advisories/blob/ma…	x_refsource_MISC
	https://knowledgebase.nomachine.com/TR05S10236	x_refsource_MISC
	https://knowledgebase.nomachine.com/SU05S00224	x_refsource_MISC
	https://knowledgebase.nomachine.com/SU05S00223	x_refsource_MISC

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          "dateUpdated": "2024-08-03T23:50:42.793Z",
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        "references": [
          {
            "tags": [
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              "x_transferred"
            ],
            "url": "https://github.com/active-labs/Advisories/blob/master/2021/ACTIVE-2021-001.md"
          },
          {
            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://knowledgebase.nomachine.com/TR05S10236"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://knowledgebase.nomachine.com/SU05S00224"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://knowledgebase.nomachine.com/SU05S00223"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
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          "vendor": "n/a",
          "versions": [
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        },
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          "url": "https://knowledgebase.nomachine.com/TR05S10236"
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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

GHSA-669X-J2PW-GRF8

CVE-2021-33436 (GCVE-0-2021-33436)

Tags

Sightings

Nomenclature