{
  "id": "CVE-2008-2516",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2008-06-03T14:32:00.000",
  "lastModified": "2025-04-09T00:30:58.490",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "pam_sm_authenticate in pam_pgsql.c in libpam-pgsql 0.6.3 does not properly consider operator precedence when evaluating the success of a pam_get_pass function call, which allows local users to gain privileges via a SIGINT signal when this function is executing, as demonstrated by a CTRL-C sequence at a sudo password prompt in an \"auth sufficient pam_pgsql.so\" configuration."
    },
    {
      "lang": "es",
      "value": "pam_sm_authenticate en pam_pgsql.c de libpam-pgsql 0.6.3 no considera apropiadamente la prioridad de los operadores cuando eval\u00faan el \u00e9xito de una llamada a la funci\u00f3n pam_get_pass, lo cual permite a usuarios locales conseguir privilegios a trav\u00e9s de una se\u00f1al SIGINT cuando esta funci\u00f3n se est\u00e1 ejecutando, tal y como lo demostrado por la secuencia CTRL-C en la introducci\u00f3n de la contase\u00f1a de sudo en una configuraci\u00f3n \"auth sufficient pam_pgsql.so\".\r\n"
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "baseScore": 4.6,
          "accessVector": "LOCAL",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 3.9,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:libpam-pgsql:libpam-pgsql:0.6.3:*:*:*:*:*:*:*",
              "matchCriteriaId": "7537CF9B-687D-4522-B7DF-A5B86FA2878F"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=481970",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/30391",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://sourceforge.net/project/shownotes.php?release_id=601775",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/29360",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1020111",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/1654/references",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42653",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=481970",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/30391",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://sourceforge.net/project/shownotes.php?release_id=601775",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/29360",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1020111",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2008/1654/references",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/42653",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ]
}