{
  "id": "CVE-2009-2855",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2009-08-18T21:00:00.640",
  "lastModified": "2024-11-21T01:05:54.650",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The strListGetItem function in src/HttpHeaderTools.c in Squid 2.7 allows remote attackers to cause a denial of service via a crafted auth header with certain comma delimiters that trigger an infinite loop of calls to the strcspn function."
    },
    {
      "lang": "es",
      "value": "La funci\u00f3n strListGetItem en src/HttpHeaderTools.c en Squid v2.7 a permite a los atacantes remotos causar una denegaci\u00f3n de servicio a trav\u00e9s de una cabecera auth manipulada con ciertos delimitadores coma que lanzan un bucle infinito de llamadas a la funci\u00f3n strcspn."
    }
  ],
  "metrics": {
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "baseScore": 5.0,
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL"
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "35C30CB9-FA3A-408D-A8B0-8805E75657BE"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*",
              "matchCriteriaId": "A03692DD-779F-4E3C-861C-29943870A816"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*",
              "matchCriteriaId": "79FF6B3C-A3CE-4AA2-80F9-44D05A6B2F08"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/36091",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1022757",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704",
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=534982",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?msg=31%3Bfilename=diff%3Batt=1%3Bbug=534982",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/07/20/10",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/08/03/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2009/08/04/6",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/36091",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1022757",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2541",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.squid-cache.org/bugs/show_bug.cgi?id=2704",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=518182",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/52610",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10592",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vendorComments": [
    {
      "organization": "Red Hat",
      "comment": "This issue did not affect the versions of the squid packages, as shipped with Red Hat Enterprise Linux 3 and 4.\n\nThe issue was addressed in the squid packages as shipped with Red Hat Enterprise Linux 5 via:\nhttps://rhn.redhat.com/errata/RHSA-2010-0221.html\n",
      "lastModified": "2010-03-31T00:00:00"
    }
  ]
}