FKIE_CVE-2011-3628

Vulnerability from fkie_nvd - Published: 2014-04-15 23:55 - Updated: 2026-06-16 23:33
Severity
Summary
Untrusted search path vulnerability in pam_motd (aka the MOTD module) in libpam-modules before 1.1.3-2ubuntu2.1 on Ubuntu 11.10, before 1.1.2-2ubuntu8.4 on Ubuntu 11.04, before 1.1.1-4ubuntu2.4 on Ubuntu 10.10, before 1.1.1-2ubuntu5.4 on Ubuntu 10.04 LTS, and before 0.99.7.1-5ubuntu6.5 on Ubuntu 8.04 LTS, when using certain configurations such as "session optional pam_motd.so", allows local users to gain privileges by modifying the PATH environment variable to reference a malicious command, as demonstrated via uname.
References
secalert@redhat.comhttp://www.ubuntu.com/usn/USN-1237-1Vendor Advisory
secalert@redhat.comhttps://bugs.launchpad.net/ubuntu/%2Bsource/pam/%2Bbug/610125
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1237-1Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugs.launchpad.net/ubuntu/%2Bsource/pam/%2Bbug/610125
Impacted products
Vendor Product Version
canonical libpam-modules 0.9.7
canonical libpam-modules 1.1.1
canonical libpam-modules 1.1.2
canonical libpam-modules 1.1.3
canonical ubuntu_linux 8.04
canonical ubuntu_linux 10.04
canonical ubuntu_linux 10.10
canonical ubuntu_linux 11.04
canonical ubuntu_linux 11.10
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "secalert@redhat.com"
    }
  ],
  "configurations": [
    {
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          "negate": false,
          "operator": "OR"
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Untrusted search path vulnerability in pam_motd (aka the MOTD module) in libpam-modules before 1.1.3-2ubuntu2.1 on Ubuntu 11.10, before 1.1.2-2ubuntu8.4 on Ubuntu 11.04, before 1.1.1-4ubuntu2.4 on Ubuntu 10.10, before 1.1.1-2ubuntu5.4 on Ubuntu 10.04 LTS, and before 0.99.7.1-5ubuntu6.5 on Ubuntu 8.04 LTS, when using certain configurations such as \"session optional pam_motd.so\", allows local users to gain privileges by modifying the PATH environment variable to reference a malicious command, as demonstrated via uname."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de b\u00fasqueda de ruta no confiable en pam_motd (tambi\u00e9n conocido como el modulo MOTD) en libpam-modules anterior a 1.1.3-2ubuntu2.1 en Ubuntu 11.10, anterior a 1.1.2-2ubuntu8.4 en Ubuntu 11.04, anterior a 1.1.1-4ubuntu2.4 en Ubuntu 10.10, anterior a 1.1.1-2ubuntu5.4 en Ubuntu 10.04 LTS, y anterior a 0.99.7.1-5ubuntu6.5 en Ubuntu 8.04 LTS, cuando se usan ciertas configuraciones tales como \"sesiones opcionales en pam_motd.so\", permite a usuarios locales ganar privilegios mediante la modificaci\u00f3n de la variable de entorno PATH para referenciar comandos maliciosos, como se demostr\u00f3 a trav\u00e9s de uname."
    }
  ],
  "evaluatorComment": "Per: http://cwe.mitre.org/data/definitions/426.html\n\n\"CWE-426: Untrusted Search Path\"",
  "id": "CVE-2011-3628",
  "lastModified": "2026-06-16T23:33:39.273",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 6.9,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:L/AC:M/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 3.4,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ]
  },
  "published": "2014-04-15T23:55:07.297",
  "references": [
    {
      "source": "secalert@redhat.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "http://www.ubuntu.com/usn/USN-1237-1"
    },
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      "source": "secalert@redhat.com",
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "http://www.ubuntu.com/usn/USN-1237-1"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://bugs.launchpad.net/ubuntu/%2Bsource/pam/%2Bbug/610125"
    }
  ],
  "sourceIdentifier": "secalert@redhat.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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