FKIE_CVE-2023-39957

Vulnerability from fkie_nvd - Published: 2023-08-10 16:15 - Updated: 2024-11-21 08:16
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available.
References
security-advisories@github.comhttps://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfjPatch, Vendor Advisory
security-advisories@github.comhttps://github.com/nextcloud/talk-android/pull/3064Patch
security-advisories@github.comhttps://hackerone.com/reports/1997029Issue Tracking, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfjPatch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/nextcloud/talk-android/pull/3064Patch
af854a3a-2127-422b-91ae-364da2661108https://hackerone.com/reports/1997029Issue Tracking, Third Party Advisory
Impacted products
Vendor Product Version
nextcloud talk *
nextcloud talk 17.0.0
nextcloud talk 17.0.0
nextcloud talk 17.0.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nextcloud:talk:*:*:*:*:*:android:*:*",
              "matchCriteriaId": "6F85A1EF-F40F-463D-B627-BE3E570CA851",
              "versionEndExcluding": "17.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:talk:17.0.0:rc1:*:*:*:android:*:*",
              "matchCriteriaId": "54DC4902-EF6E-4C9E-8CC5-A2ACD7C6E5CF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:talk:17.0.0:rc2:*:*:*:android:*:*",
              "matchCriteriaId": "74D74043-7254-46DF-9236-2C544783837B",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nextcloud:talk:17.0.0:rc3:*:*:*:android:*:*",
              "matchCriteriaId": "4A5DF4A6-525E-481F-B34C-66C29EF7C56C",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Nextcloud Talk Android allows users to place video and audio calls through Nextcloud on Android. Prior to version 17.0.0, an unprotected intend allowed malicious third party apps to trick the Talk Android app into writing files outside of its intended cache directory. Nextcloud Talk Android version 17.0.0 has a patch for this issue. No known workarounds are available."
    },
    {
      "lang": "es",
      "value": "Nextcloud Talk Android permite a los usuarios realizar llamadas de v\u00eddeo y audio a trav\u00e9s de Nextcloud en Android. Antes de la versi\u00f3n 17.0.0, una intenci\u00f3n desprotegida permit\u00eda a aplicaciones maliciosas de terceros enga\u00f1ar a la aplicaci\u00f3n Talk Android para que escribiera archivos fuera de su directorio de cach\u00e9 previsto. Nextcloud Talk Android versi\u00f3n 17.0.0 tiene un parche para este problema. No se conocen soluciones disponibles."
    }
  ],
  "id": "CVE-2023-39957",
  "lastModified": "2024-11-21T08:16:06.943",
  "metrics": {
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 0.6,
        "impactScore": 6.0,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 7.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2023-08-10T16:15:09.797",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/nextcloud/talk-android/pull/3064"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/1997029"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-36f7-93f3-mcfj"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch"
      ],
      "url": "https://github.com/nextcloud/talk-android/pull/3064"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Third Party Advisory"
      ],
      "url": "https://hackerone.com/reports/1997029"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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