FKIE_CVE-2011-0543

Vulnerability from fkie_nvd - Published: 2011-09-02 23:55 - Updated: 2025-04-11 00:51
Severity ?
Summary
Certain legacy functionality in fusermount in fuse 2.8.5 and earlier, when util-linux does not support the --no-canonicalize option, allows local users to bypass intended access restrictions and unmount arbitrary directories via a symlink attack.
References
secalert@redhat.comhttp://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse%3Ba=commit%3Bh=cbd3a2a84068aae6e3fe32939d88470d712dbf47
secalert@redhat.comhttp://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/02/02/2Patch
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/02/03/5Patch
secalert@redhat.comhttp://www.openwall.com/lists/oss-security/2011/02/08/4Patch
af854a3a-2127-422b-91ae-364da2661108http://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse%3Ba=commit%3Bh=cbd3a2a84068aae6e3fe32939d88470d712dbf47
af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/02/02/2Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/02/03/5Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/02/08/4Patch
Impacted products
Vendor Product Version
fuse fuse *
fuse fuse 1.9
fuse fuse 2.0
fuse fuse 2.0
fuse fuse 2.1
fuse fuse 2.2
fuse fuse 2.2.1
fuse fuse 2.3
fuse fuse 2.3
fuse fuse 2.3.0
fuse fuse 2.4.0
fuse fuse 2.4.1
fuse fuse 2.4.2
fuse fuse 2.5.0
fuse fuse 2.5.1
fuse fuse 2.5.2
fuse fuse 2.5.3
fuse fuse 2.6.0
fuse fuse 2.6.1
fuse fuse 2.6.3
fuse fuse 2.6.5
fuse fuse 2.7.0
fuse fuse 2.7.1
fuse fuse 2.7.2
fuse fuse 2.7.3
fuse fuse 2.7.4
fuse fuse 2.7.5
fuse fuse 2.7.6
fuse fuse 2.8.0
fuse fuse 2.8.1
fuse fuse 2.8.2
fuse fuse 2.8.3
fuse fuse 2.8.4
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Certain legacy functionality in fusermount in fuse 2.8.5 and earlier, when util-linux does not support the --no-canonicalize option, allows local users to bypass intended access restrictions and unmount arbitrary directories via a symlink attack."
    },
    {
      "lang": "es",
      "value": "Cierta funcionalidad en Fusermount en fuse v2.8.5 y anteriores, cuando util-linux no es compatible con la opci\u00f3n --no-canonicalize, permite a usuarios locales eludir restricciones de acceso y desmontar directorios de su elecci\u00f3n mediante un ataque de enlaces simb\u00f3licos."
    }
  ],
  "id": "CVE-2011-0543",
  "lastModified": "2025-04-11T00:51:21.963",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 3.3,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:L/AC:M/Au:N/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2011-09-02T23:55:02.320",
  "references": [
    {
      "source": "secalert@redhat.com",
      "url": "http://fuse.git.sourceforge.net/git/gitweb.cgi?p=fuse/fuse%3Ba=commit%3Bh=cbd3a2a84068aae6e3fe32939d88470d712dbf47"
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      "source": "secalert@redhat.com",
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    },
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      "tags": [
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      "url": "http://www.openwall.com/lists/oss-security/2011/02/03/5"
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      "tags": [
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      "url": "http://www.openwall.com/lists/oss-security/2011/02/08/4"
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  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-264"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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  • 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.



Detection rules are retrieved from Rulezet.