GSD-2013-6890

Vulnerability from gsd - Updated: 2023-12-13 01:22
Details
denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.
Aliases
Aliases

{
  "GSD": {
    "alias": "CVE-2013-6890",
    "description": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.",
    "id": "GSD-2013-6890",
    "references": [
      "https://www.debian.org/security/2013/dsa-2826",
      "https://advisories.mageia.org/CVE-2013-6890.html"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2013-6890"
      ],
      "details": "denyhosts 2.6 uses an incorrect regular expression when analyzing authentication logs, which allows remote attackers to cause a denial of service (incorrect block of IP addresses) via crafted login names.",
      "id": "GSD-2013-6890",
      "modified": "2023-12-13T01:22:19.746316Z",
      "schema_version": "1.4.0"
    }
  },
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        "ID": "CVE-2013-6890",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
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                        {
                          "version_value": "n/a"
                        }
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          }
        ]
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          {
            "name": "56239",
            "refsource": "SECUNIA",
            "url": "http://secunia.com/advisories/56239"
          },
          {
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            "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1045982"
          },
          {
            "name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
            "refsource": "MLIST",
            "url": "http://seclists.org/oss-sec/2013/q4/535"
          },
          {
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            "url": "http://www.debian.org/security/2013/dsa-2826"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*",
                "cpe_name": [],
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              },
              {
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              },
              {
                "cpe23Uri": "cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*",
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            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:phil_schwartz:denyhosts:2.6:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
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        "description": {
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            }
          ]
        },
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            {
              "name": "[oss-security] 20131222 Re: [SECURITY] [DSA 2826-1] denyhosts security update",
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              "tags": [],
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            },
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            },
            {
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              "refsource": "DEBIAN",
              "tags": [],
              "url": "http://www.debian.org/security/2013/dsa-2826"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 5.0,
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2013-12-24T17:16Z",
      "publishedDate": "2013-12-23T22:55Z"
    }
  }
}



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