FKIE_CVE-2021-30681

Vulnerability from fkie_nvd - Published: 2021-09-08 15:15 - Updated: 2024-11-21 06:04
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges.
References
product-security@apple.comhttps://support.apple.com/en-us/HT212528Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/HT212533Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212528Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212529Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212530Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212531Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://support.apple.com/en-us/HT212533Release Notes, Vendor Advisory
Impacted products
Vendor Product Version
apple ipados *
apple iphone_os *
apple mac_os_x *
apple mac_os_x *
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.14.6
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple mac_os_x 10.15.7
apple macos *
apple watchos *
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A validation issue existed in the handling of symlinks. This issue was addressed with improved validation of symlinks. This issue is fixed in Security Update 2021-004 Mojave, iOS 14.6 and iPadOS 14.6, Security Update 2021-003 Catalina, macOS Big Sur 11.4, watchOS 7.5. A malicious application may be able to gain root privileges."
    },
    {
      "lang": "es",
      "value": "Se present\u00f3 un problema de comprobaci\u00f3n en el manejo de los enlaces simb\u00f3licos. Este problema se abord\u00f3 con la comprobaci\u00f3n de los enlaces simb\u00f3licos mejorada. Este problema es corregido en Security Update 2021-004 Mojave, iOS versi\u00f3n 14.6 y iPadOS versi\u00f3n 14.6, Security Update 2021-003 Catalina, macOS Big Sur versi\u00f3n 11.4 y watchOS versi\u00f3n 7.5. Una aplicaci\u00f3n maliciosa puede ser capaz de alcanzar privilegios de root"
    }
  ],
  "id": "CVE-2021-30681",
  "lastModified": "2024-11-21T06:04:25.820",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.3,
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          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
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          "version": "3.1"
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        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
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  "published": "2021-09-08T15:15:14.307",
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      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
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  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
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          "lang": "en",
          "value": "CWE-20"
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      ],
      "source": "nvd@nist.gov",
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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.