gsd-2001-0669
Vulnerability from gsd
Modified
2023-12-13 01:19
Details
Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard "%u" Unicode encoding of ASCII characters in the requested URL.
Aliases
Aliases
CVE-2001-0669


To clipboard 

{
  "GSD": {
    "alias": "CVE-2001-0669",
    "description": "Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \"%u\" Unicode encoding of ASCII characters in the requested URL.",
    "id": "GSD-2001-0669"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2001-0669"
      ],
      "details": "Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \"%u\" Unicode encoding of ASCII characters in the requested URL.",
      "id": "GSD-2001-0669",
      "modified": "2023-12-13T01:19:01.181048Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "cve@mitre.org",
        "ID": "CVE-2001-0669",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "n/a",
                    "version": {
                      "version_data": [
                        {
                          "version_value": "n/a"
                        }
                      ]
                    }
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              "vendor_name": "n/a"
            }
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      "data_version": "4.0",
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          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "n/a"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "VU#548515",
            "refsource": "CERT-VN",
            "url": "http://www.kb.cert.org/vuls/id/548515"
          },
          {
            "name": "3292",
            "refsource": "BID",
            "url": "http://www.securityfocus.com/bid/3292"
          },
          {
            "name": "20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability",
            "refsource": "CISCO",
            "url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
          },
          {
            "name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability",
            "refsource": "ISS",
            "url": "http://xforce.iss.net/alerts/advise95.php"
          },
          {
            "name": "20010905 %u encoding IDS bypass vulnerability",
            "refsource": "BUGTRAQ",
            "url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
          }
        ]
      }
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:cisco:secure_intrusion_detection_system:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:iss:realsecure_network_sensor:5.x:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:iss:realsecure_network_sensor:6.x:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:iss:realsecure_server_sensor:5.5:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:iss:realsecure_server_sensor:6.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:snort:snort:1.8.1:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              },
              {
                "cpe23Uri": "cpe:2.3:a:cisco:catalyst_6000_intrusion_detection_system_module:*:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          },
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:h:enterasys:dragon:4.x:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2001-0669"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Various Intrusion Detection Systems (IDS) including (1) Cisco Secure Intrusion Detection System, (2) Cisco Catalyst 6000 Intrusion Detection System Module, (3) Dragon Sensor 4.x, (4) Snort before 1.8.1, (5) ISS RealSecure Network Sensor 5.x and 6.x before XPU 3.2, and (6) ISS RealSecure Server Sensor 5.5 and 6.0 for Windows, allow remote attackers to evade detection of HTTP attacks via non-standard \"%u\" Unicode encoding of ASCII characters in the requested URL."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "NVD-CWE-Other"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20010905 Multiple Vendor IDS Unicode Bypass Vulnerability",
              "refsource": "ISS",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "http://xforce.iss.net/alerts/advise95.php"
            },
            {
              "name": "20010905 Cisco Secure Intrusion Detection System Signature Obfuscation Vulnerability",
              "refsource": "CISCO",
              "tags": [
                "Patch",
                "Vendor Advisory"
              ],
              "url": "http://www.cisco.com/warp/public/707/cisco-intrusion-detection-obfuscation-vuln-pub.shtml"
            },
            {
              "name": "VU#548515",
              "refsource": "CERT-VN",
              "tags": [
                "US Government Resource"
              ],
              "url": "http://www.kb.cert.org/vuls/id/548515"
            },
            {
              "name": "3292",
              "refsource": "BID",
              "tags": [],
              "url": "http://www.securityfocus.com/bid/3292"
            },
            {
              "name": "20010905 %u encoding IDS bypass vulnerability",
              "refsource": "BUGTRAQ",
              "tags": [],
              "url": "http://marc.info/?l=bugtraq\u0026m=99972950200602\u0026w=2"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "cvssV2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 7.5,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 10.0,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "HIGH",
          "userInteractionRequired": false
        }
      },
      "lastModifiedDate": "2016-10-18T02:11Z",
      "publishedDate": "2001-10-30T05:00Z"
    }
  }
}


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