GSD-2016-2854

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2016-2854",
    "description": "The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.",
    "id": "GSD-2016-2854",
    "references": [
      "https://www.suse.com/security/cve/CVE-2016-2854.html",
      "https://ubuntu.com/security/CVE-2016-2854",
      "https://packetstormsecurity.com/files/cve/CVE-2016-2854"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2016-2854"
      ],
      "details": "The aufs module for the Linux kernel 3.x and 4.x does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.",
      "id": "GSD-2016-2854",
      "modified": "2023-12-13T01:21:19.565061Z",
      "schema_version": "1.4.0"
    }
  },
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          }
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      "references": {
        "reference_data": [
          {
            "name": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/",
            "refsource": "MISC",
            "url": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/"
          },
          {
            "name": "[oss-security] 20160224 Aufs Union Filesystem Privilege Escalation In User Namespaces",
            "refsource": "MLIST",
            "url": "http://www.openwall.com/lists/oss-security/2016/02/24/9"
          },
          {
            "name": "[aufs] 20160219 aufs3 and aufs4 GIT release",
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            "url": "https://sourceforge.net/p/aufs/mailman/message/34864744/"
          },
          {
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            "url": "http://www.securityfocus.com/bid/96838"
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      }
    },
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        "nodes": [
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            "children": [],
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                "cpe23Uri": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "versionEndIncluding": "3.19.8",
                "versionStartIncluding": "3.0.0",
                "vulnerable": true
              },
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                "versionEndIncluding": "4.20.15",
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        "description": {
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            }
          ]
        },
        "problemtype": {
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                }
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              "name": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/",
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              "url": "http://www.halfdog.net/Security/2016/AufsPrivilegeEscalationInUserNamespaces/"
            },
            {
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            },
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      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 1.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2020-08-07T19:53Z",
      "publishedDate": "2016-05-02T10:59Z"
    }
  }
}



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