github - ghsa-cpf5-2wrr-hcvc

GHSA-CPF5-2WRR-HCVC

Vulnerability from github – Published: 2022-05-24 19:16 – Updated: 2022-07-28 00:00

Details

When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.

Severity ?

7.8 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2021-26556"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-426"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-10-07T01:15:00Z",
    "severity": "HIGH"
  },
  "details": "When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.",
  "id": "GHSA-cpf5-2wrr-hcvc",
  "modified": "2022-07-28T00:00:48Z",
  "published": "2022-05-24T19:16:59Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26556"
    },
    {
      "type": "WEB",
      "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-26556 (GCVE-0-2021-26556)

Vulnerability from cvelistv5 – Published: 2021-10-07 01:00 – Updated: 2024-08-03 20:26

Summary

When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access.

Severity ?

No CVSS data available.

CWE

Local privilege escalation in Octopus Server (Windows)

Assigner

Octopus

References

URL

Tags

https://advisories.octopus.com/adv/2021-01---Loca…

x_refsource_MISC

Impacted products

	Vendor	Product	Version
	Octopus Deploy	Octopus Server	Affected: 0.9 , < unspecified (custom) Affected: unspecified , < 2020.4.229 (custom) Affected: 2020.5.0 , < unspecified (custom) Affected: unspecified , < 2020.5.256 (custom)

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JSON

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:25.523Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Octopus Server",
          "vendor": "Octopus Deploy",
          "versions": [
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "0.9",
              "versionType": "custom"
            },
            {
              "lessThan": "2020.4.229",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            },
            {
              "lessThan": "unspecified",
              "status": "affected",
              "version": "2020.5.0",
              "versionType": "custom"
            },
            {
              "lessThan": "2020.5.256",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "When Octopus Server is installed using a custom folder location, folder ACLs are not set correctly and could lead to an unprivileged user using DLL side-loading to gain privileged access."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Local privilege escalation in Octopus Server (Windows)",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-10-07T01:00:12",
        "orgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272",
        "shortName": "Octopus"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-%28CVE-2021-26556%29.1733296189.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@octopus.com",
          "ID": "CVE-2021-26556",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Octopus Server",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003e=",
                            "version_value": "0.9"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "2020.4.229"
                          },
                          {
                            "version_affected": "\u003e=",
                            "version_value": "2020.5.0"
                          },
                          {
                            "version_affected": "\u003c",
                            "version_value": "2020.5.256"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Octopus Deploy"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
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              "refsource": "MISC",
              "url": "https://advisories.octopus.com/adv/2021-01---Local-privilege-escalation-in-Octopus-Server-(CVE-2021-26556).1733296189.html"
            }
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      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6f4f8c89-ef06-4bae-a2a5-6734ddf76272",
    "assignerShortName": "Octopus",
    "cveId": "CVE-2021-26556",
    "datePublished": "2021-10-07T01:00:12",
    "dateReserved": "2021-02-02T00:00:00",
    "dateUpdated": "2024-08-03T20:26:25.523Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
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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-CPF5-2WRR-HCVC

CVE-2021-26556 (GCVE-0-2021-26556)

Tags

Sightings

Nomenclature