FKIE_CVE-2021-32557

Vulnerability from fkie_nvd - Published: 2021-06-12 04:15 - Updated: 2026-06-17 03:53
Severity
5.2 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L
7.1 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Summary
It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks.
References
security@ubuntu.comhttps://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Exploit, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904Exploit, Vendor Advisory
Impacted products
Vendor Product Version
canonical apport *
canonical apport *
canonical apport *
canonical apport *
canonical apport *
canonical apport *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "apport",
          "vendor": "Canonical",
          "versions": [
            {
              "lessThan": "2.20.1-0ubuntu2.30+esm1",
              "status": "affected",
              "version": "2.20.1",
              "versionType": "custom"
            },
            {
              "lessThan": "2.20.9-0ubuntu7.24",
              "status": "affected",
              "version": "2.20.9",
              "versionType": "custom"
            },
            {
              "lessThan": "2.20.11-0ubuntu27.18",
              "status": "affected",
              "version": "2.20.11-0ubuntu27",
              "versionType": "custom"
            },
            {
              "lessThan": "2.20.11-0ubuntu50.7",
              "status": "affected",
              "version": "2.20.11-0ubuntu50",
              "versionType": "custom"
            },
            {
              "lessThan": "2.20.11-0ubuntu65.1",
              "status": "affected",
              "version": "2.20.11-0ubuntu65",
              "versionType": "custom"
            },
            {
              "lessThan": "2.14.1-0ubuntu3.29+esm7",
              "status": "affected",
              "version": "2.14.1-0ubuntu3",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "security@ubuntu.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15384D7F-D81C-46B4-8F98-70FD9F1201E0",
              "versionEndExcluding": "2.14.1-0ubuntu3.29\\+esm7",
              "versionStartIncluding": "2.14.1-0ubuntu3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "64C72114-B15D-441E-A742-19A7D7A341CA",
              "versionEndExcluding": "2.20.1-0ubuntu2.30\\+esm1",
              "versionStartIncluding": "2.20.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8F6CEE83-29FB-4B02-A31D-E23079AFC2A6",
              "versionEndExcluding": "2.20.9-0ubuntu7.24",
              "versionStartIncluding": "2.20.9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3BD90405-8C94-43F2-BBF8-FFB695B9181C",
              "versionEndExcluding": "2.20.11-0ubuntu27.18",
              "versionStartIncluding": "2.20.11-0ubuntu27",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "BB003A8B-8290-4BBA-8C0D-64E208ABBEFE",
              "versionEndExcluding": "2.20.11-0ubuntu50.7",
              "versionStartIncluding": "2.20.11-0ubuntu50",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:canonical:apport:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C9F0F988-E8C8-451B-9710-1B8932C12996",
              "versionEndExcluding": "2.20.11-0ubuntu65.1",
              "versionStartIncluding": "2.20.11-0ubuntu65",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "It was discovered that the process_report() function in data/whoopsie-upload-all allowed arbitrary file writes via symlinks."
    },
    {
      "lang": "es",
      "value": "Se ha detectado que la funci\u00f3n process_report() en la ruta data/whoopsie-upload-all permit\u00eda la escritura arbitraria de archivos por medio de enlaces simb\u00f3licos"
    }
  ],
  "id": "CVE-2021-32557",
  "lastModified": "2026-06-17T03:53:10.323",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.6,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:L/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "LOW",
          "baseScore": 5.2,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.0,
        "impactScore": 2.7,
        "source": "security@ubuntu.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-06-12T04:15:12.523",
  "references": [
    {
      "source": "security@ubuntu.com",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Vendor Advisory"
      ],
      "url": "https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1917904"
    }
  ],
  "sourceIdentifier": "security@ubuntu.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        },
        {
          "lang": "en",
          "value": "CWE-61"
        }
      ],
      "source": "security@ubuntu.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.
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  • 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.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.