github - ghsa-r73f-2rxh-prfm

GHSA-R73F-2RXH-PRFM

Vulnerability from github – Published: 2025-03-21 15:31 – Updated: 2025-03-21 15:31

Details

An Improper Certificate Validation vulnerability in LibreOffice allowed an attacker to self sign an ODF document, with a signature untrusted by the target, then modify it to change the signature algorithm to an invalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a valid signature issued by a trusted person

This issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.

Severity ?

5.2 (Medium)


                  
                    CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H

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{
  "affected": [],
  "aliases": [
    "CVE-2021-25635"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-03-21T15:15:35Z",
    "severity": "MODERATE"
  },
  "details": "An Improper Certificate Validation vulnerability in LibreOffice allowed \nan attacker to self sign an ODF document, with a signature untrusted by \nthe target, then modify it to change the signature algorithm to an \ninvalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a \nvalid signature issued by a trusted person\n\n\nThis issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.",
  "id": "GHSA-r73f-2rxh-prfm",
  "modified": "2025-03-21T15:31:15Z",
  "published": "2025-03-21T15:31:15Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-25635"
    },
    {
      "type": "WEB",
      "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25635"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2021-25635 (GCVE-0-2021-25635)

Vulnerability from cvelistv5 – Published: 2025-03-21 14:52 – Updated: 2025-03-21 15:13

Summary

Severity ?

5.2 (Medium)


                        
                          CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:H

CWE

CWE-295 - Improper Certificate Validation

Assigner

Document Fdn.

References

URL

Tags

https://www.libreoffice.org/about-us/security/adv…

Impacted products

	Vendor	Product	Version
	The Document Foundation	LibreOffice	Affected: 7.0 , < 7.0.5 (7.0 series) Affected: 7.1 , < 7.1.1 (7.1 series)

Credits

NDS of Ruhr University Bochum

Show details on NVD website

JSON

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  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-25635",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-21T15:13:07.905943Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-21T15:13:24.100Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unknown",
          "product": "LibreOffice",
          "vendor": "The Document Foundation",
          "versions": [
            {
              "lessThan": "7.0.5",
              "status": "affected",
              "version": "7.0",
              "versionType": "7.0 series"
            },
            {
              "lessThan": "7.1.1",
              "status": "affected",
              "version": "7.1",
              "versionType": "7.1 series"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "NDS of Ruhr University Bochum"
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      ],
      "datePublic": "2021-10-11T14:00:00.000Z",
      "descriptions": [
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        }
      ],
      "impacts": [
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          "capecId": "CAPEC-475",
          "descriptions": [
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          ]
        }
      ],
      "metrics": [
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "HIGH",
            "attackRequirements": "NONE",
            "attackVector": "LOCAL",
            "baseScore": 5.2,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "HIGH",
            "subConfidentialityImpact": "HIGH",
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            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
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        {
          "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2021-25635/"
        }
      ],
      "source": {
        "discovery": "EXTERNAL"
      },
      "title": "Content Manipulation with Certificate Validation Attack",
      "x_generator": {
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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-R73F-2RXH-PRFM

CVE-2021-25635 (GCVE-0-2021-25635)

Tags

Sightings

Nomenclature