github - ghsa-8xj5-7228-hcfg

GHSA-8XJ5-7228-HCFG

Vulnerability from github – Published: 2022-05-24 17:49 – Updated: 2022-05-24 17:49

Details

In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn't match the denylist but results in ShellExecute attempting to launch an executable type.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-25631"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2021-05-03T12:15:00Z",
    "severity": "HIGH"
  },
  "details": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type.",
  "id": "GHSA-8xj5-7228-hcfg",
  "modified": "2022-05-24T17:49:24Z",
  "published": "2022-05-24T17:49:24Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25631"
    },
    {
      "type": "WEB",
      "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
    },
    {
      "type": "WEB",
      "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2021-25631 (GCVE-0-2021-25631)

Vulnerability from cvelistv5 – Published: 2021-05-03 11:10 – Updated: 2024-09-16 17:08

Title

denylist of executable filename extensions possible to bypass under windows

Summary

Severity ?

No CVSS data available.

CWE

CWE-184 - Incomplete Denylist

Assigner

Document Fdn.

References

URL

Tags

	https://positive.security/blog/url-open-rce#open-…	x_refsource_MISC
	https://www.libreoffice.org/about-us/security/adv…	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	The Document Foundation	LibreOffice	Affected: 7.1 , < 7.1.2 (custom) Affected: 7.0 , < 7.0.5 (custom)

Credits

Lukas Euler of Positive Security

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:11:27.645Z",
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        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "platforms": [
            "Windows"
          ],
          "product": "LibreOffice",
          "vendor": "The Document Foundation",
          "versions": [
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              "lessThan": "7.1.2",
              "status": "affected",
              "version": "7.1",
              "versionType": "custom"
            },
            {
              "lessThan": "7.0.5",
              "status": "affected",
              "version": "7.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "credits": [
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          "lang": "en",
          "value": "Lukas Euler of Positive Security"
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      "datePublic": "2021-04-15T00:00:00",
      "descriptions": [
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          "lang": "en",
          "value": "In the LibreOffice 7-1 series in versions prior to 7.1.2, and in the 7-0 series in versions prior to 7.0.5, the denylist can be circumvented by manipulating the link so it doesn\u0027t match the denylist but results in ShellExecute attempting to launch an executable type."
        }
      ],
      "problemTypes": [
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          "descriptions": [
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      },
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          "url": "https://positive.security/blog/url-open-rce#open-libreoffice"
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          "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25631/"
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      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "denylist of executable filename extensions possible to bypass under windows",
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      },
      "x_legacyV4Record": {
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        },
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                          {
                            "platform": "Windows",
                            "version_affected": "\u003c",
                            "version_name": "7.1",
                            "version_value": "7.1.2"
                          },
                          {
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                            "version_affected": "\u003c",
                            "version_name": "7.0",
                            "version_value": "7.0.5"
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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-8XJ5-7228-HCFG

CVE-2021-25631 (GCVE-0-2021-25631)

Tags

Sightings

Nomenclature