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FKIE_CVE-2018-5541

Vulnerability from fkie_nvd - Published: 2018-07-25 14:29 - Updated: 2026-06-17 02:00
Severity
7.5 (High) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.5.1-11.5.6 is processing HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process.
References
f5sirt@f5.comhttp://www.securityfocus.com/bid/104906Third Party Advisory, VDB Entry
f5sirt@f5.comhttps://support.f5.com/csp/article/K12403422Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/104906Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://support.f5.com/csp/article/K12403422Vendor Advisory
Impacted products
Vendor Product Version
f5 big-ip_application_security_manager *
f5 big-ip_application_security_manager *
f5 big-ip_application_security_manager *
f5 big-ip_application_security_manager *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "BIG-IP (ASM)",
          "vendor": "F5 Networks, Inc.",
          "versions": [
            {
              "status": "affected",
              "version": "13.0.0-13.1.0.1"
            },
            {
              "status": "affected",
              "version": "12.1.0-12.1.3.5"
            },
            {
              "status": "affected",
              "version": "11.6.0-11.6.3.1"
            },
            {
              "status": "affected",
              "version": "11.5.1-11.5.6"
            }
          ]
        }
      ],
      "source": "f5sirt@f5.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "39403241-7F3D-44F3-8F56-576DCABB28CB",
              "versionEndIncluding": "11.5.5",
              "versionStartIncluding": "11.5.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "961AFB08-734F-4C41-BE91-B4649B23E45F",
              "versionEndIncluding": "11.6.3",
              "versionStartIncluding": "11.6.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "397AC4A5-B67C-483B-84F7-8CB294BB460C",
              "versionEndIncluding": "12.1.3",
              "versionStartIncluding": "12.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "41A8A1C4-E425-40BD-B884-527E7CC62D24",
              "versionEndIncluding": "13.1.0",
              "versionStartIncluding": "13.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1, or 11.5.1-11.5.6 is processing HTTP requests, an unusually large number of parameters can cause excessive CPU usage in the BIG-IP ASM bd process."
    },
    {
      "lang": "es",
      "value": "Cuando F5 BIG-IP ASM 13.0.0-13.1.0.1, 12.1.0-12.1.3.5, 11.6.0-11.6.3.1 o 11.5.1-11.5.6 est\u00e1 procesando peticiones HTTP, un n\u00famero inusualmente grande de par\u00e1metros puede provocar un uso de CPU excesivo en el proceso bd de BIG-IP ASM."
    }
  ],
  "id": "CVE-2018-5541",
  "lastModified": "2026-06-17T02:00:29.940",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 7.8,
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 6.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2018-07-25T14:29:00.477",
  "references": [
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/104906"
    },
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K12403422"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securityfocus.com/bid/104906"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.f5.com/csp/article/K12403422"
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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