github - ghsa-x9r4-mp46-hrqx

GHSA-X9R4-MP46-HRQX

Vulnerability from github – Published: 2022-05-24 17:29 – Updated: 2022-05-24 17:29

Details

A vulnerability in the Common Open Policy Service (COPS) engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a malformed COPS message to the device. A successful exploit could allow the attacker to crash the device.

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{
  "affected": [],
  "aliases": [
    "CVE-2020-3526"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-09-24T18:15:00Z",
    "severity": "HIGH"
  },
  "details": "A vulnerability in the Common Open Policy Service (COPS) engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a malformed COPS message to the device. A successful exploit could allow the attacker to crash the device.",
  "id": "GHSA-x9r4-mp46-hrqx",
  "modified": "2022-05-24T17:29:30Z",
  "published": "2022-05-24T17:29:30Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-3526"
    },
    {
      "type": "WEB",
      "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-COPS-VLD-MpbTvGEW"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

CVE-2020-3526 (GCVE-0-2020-3526)

Vulnerability from cvelistv5 – Published: 2020-09-24 17:51 – Updated: 2024-11-13 18:01

Summary

Severity ?

8.6 (High)


                        
                          CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

CWE

CWE-20

Assigner

cisco

References

URL

Tags

https://tools.cisco.com/security/center/content/C…

vendor-advisoryx_refsource_CISCO

Impacted products

	Vendor	Product	Version
	Cisco	Cisco IOS XE Software	Affected: n/a

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{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T07:37:54.684Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20200924 Cisco IOS XE Software Common Open Policy Service Engine Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-COPS-VLD-MpbTvGEW"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2020-3526",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-13T17:12:49.533875Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-13T18:01:27.607Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco IOS XE Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2020-09-24T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Common Open Policy Service (COPS) engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a malformed COPS message to the device. A successful exploit could allow the attacker to crash the device."
        }
      ],
      "exploits": [
        {
          "lang": "en",
          "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "description": "CWE-20",
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              "type": "CWE"
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      ],
      "providerMetadata": {
        "dateUpdated": "2020-09-24T17:51:17",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20200924 Cisco IOS XE Software Common Open Policy Service Engine Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-COPS-VLD-MpbTvGEW"
        }
      ],
      "source": {
        "advisory": "cisco-sa-COPS-VLD-MpbTvGEW",
        "defect": [
          [
            "CSCvs12171",
            "CSCvs13776"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco IOS XE Software Common Open Policy Service Engine Denial of Service Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2020-09-24T16:00:00",
          "ID": "CVE-2020-3526",
          "STATE": "PUBLIC",
          "TITLE": "Cisco IOS XE Software Common Open Policy Service Engine Denial of Service Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco IOS XE Software",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the Common Open Policy Service (COPS) engine of Cisco IOS XE Software on Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to crash a device. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by sending a malformed COPS message to the device. A successful exploit could allow the attacker to crash the device."
            }
          ]
        },
        "exploit": [
          {
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            "value": "The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory."
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        ],
        "impact": {
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            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
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        "problemtype": {
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        "references": {
          "reference_data": [
            {
              "name": "20200924 Cisco IOS XE Software Common Open Policy Service Engine Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-COPS-VLD-MpbTvGEW"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-COPS-VLD-MpbTvGEW",
          "defect": [
            [
              "CSCvs12171",
              "CSCvs13776"
            ]
          ],
          "discovery": "INTERNAL"
        }
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    }
  },
  "cveMetadata": {
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    "assignerShortName": "cisco",
    "cveId": "CVE-2020-3526",
    "datePublished": "2020-09-24T17:51:17.829810Z",
    "dateReserved": "2019-12-12T00:00:00",
    "dateUpdated": "2024-11-13T18:01:27.607Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-X9R4-MP46-HRQX

CVE-2020-3526 (GCVE-0-2020-3526)

Tags

Sightings

Nomenclature