gsd-2006-6164
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.
Aliases
Aliases
CVE-2006-6164


To clipboard 

{
  "GSD": {
    "alias": "CVE-2006-6164",
    "description": "The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.",
    "id": "GSD-2006-6164"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2006-6164"
      ],
      "details": "The _dl_unsetenv function in loader.c in the ELF ld.so in OpenBSD 3.9 and 4.0 does not properly remove duplicate environment variables, which allows local users to pass dangerous variables such as LD_PRELOAD to loading processes, which might be leveraged to gain privileges.",
      "id": "GSD-2006-6164",
      "modified": "2023-12-13T01:19:54.458883Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2006-6164",
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              "product": {
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                    "version": {
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        "reference_data": [
          {
            "name": "[3.9] 016: SECURITY FIX: November 19, 2006",
            "refsource": "OPENBSD",
            "url": "http://www.openbsd.org/errata39.html#ldso"
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          {
            "name": "[4.0] 005: SECURITY FIX: November 19, 2006",
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            "url": "http://www.openbsd.org/errata.html#ldso"
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            "name": "20061122 Lack of environment sanitization in the FreeBSD, OpenBSD, NetBSD dynamic loaders.",
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          },
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            "name": "openbsd-elf-privilege-escalation(30441)",
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            "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30441"
          }
        ]
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    },
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              "name": "http://www.matasano.com/log/592/finger-79tcp-mcdonald-dowd-and-schuh-challenge-part-2/",
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              "url": "http://www.matasano.com/log/592/finger-79tcp-mcdonald-dowd-and-schuh-challenge-part-2/"
            },
            {
              "name": "[3.9] 016: SECURITY FIX: November 19, 2006",
              "refsource": "OPENBSD",
              "tags": [
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            },
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              "name": "[4.0] 005: SECURITY FIX: November 19, 2006",
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              "refsource": "XF",
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              "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/30441"
            },
            {
              "name": "20061123 Re: Lack of environment sanitization in the FreeBSD, OpenBSD, NetBSD dynamic loaders.",
              "refsource": "BUGTRAQ",
              "tags": [],
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            },
            {
              "name": "20061122 Lack of environment sanitization in the FreeBSD, OpenBSD, NetBSD dynamic loaders.",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://www.securityfocus.com/archive/1/452371/100/0/threaded"
            }
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        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "COMPLETE",
            "baseScore": 7.2,
            "confidentialityImpact": "COMPLETE",
            "integrityImpact": "COMPLETE",
            "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
            "version": "2.0"
          },
          "exploitabilityScore": 3.9,
          "impactScore": 10.0,
          "obtainAllPrivilege": true,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2018-10-17T21:47Z",
      "publishedDate": "2006-11-29T01:28Z"
    }
  }
}


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