Vulnerability-Lookup

CNVD-2016-04428

Vulnerability from cnvd - Published: 2016-07-01

Title

Cisco Web Security Appliance拒绝服务漏洞（CNVD-2016-04428）

Description

Cisco Web Security Appliance（WSA）是美国思科（Cisco）公司的一套Web安全设备。该设备提供基于SaaS的访问控制、实时网络报告和追踪、制定安全策略等功能。 Cisco WSA的本地pass-through FTP功能中存在安全漏洞，该漏洞源于数据传输完成后程序未能正确终止FTP控制连接。远程攻击者可通过使用WSA初始化FTP连接利用该漏洞造成拒绝服务（CPU消耗）。

Severity

中

Patch Name

Cisco Web Security Appliance拒绝服务漏洞（CNVD-2016-04428）的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa

Reference

http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa

Impacted products

Name
Cisco Web Security Appliance

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2016-1440"
    }
  },
  "description": "Cisco Web Security Appliance\uff08WSA\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957Web\u5b89\u5168\u8bbe\u5907\u3002\u8be5\u8bbe\u5907\u63d0\u4f9b\u57fa\u4e8eSaaS\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u5b9e\u65f6\u7f51\u7edc\u62a5\u544a\u548c\u8ffd\u8e2a\u3001\u5236\u5b9a\u5b89\u5168\u7b56\u7565\u7b49\u529f\u80fd\u3002\r\n\r\nCisco WSA\u7684\u672c\u5730pass-through FTP\u529f\u80fd\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7ec8\u6b62FTP\u63a7\u5236\u8fde\u63a5\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f7f\u7528WSA\u521d\u59cb\u5316FTP\u8fde\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08CPU\u6d88\u8017\uff09\u3002",
  "discovererName": "Cisco",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-04428",
  "openTime": "2016-07-01",
  "patchDescription": "Cisco Web Security Appliance\uff08WSA\uff09\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u4e00\u5957Web\u5b89\u5168\u8bbe\u5907\u3002\u8be5\u8bbe\u5907\u63d0\u4f9b\u57fa\u4e8eSaaS\u7684\u8bbf\u95ee\u63a7\u5236\u3001\u5b9e\u65f6\u7f51\u7edc\u62a5\u544a\u548c\u8ffd\u8e2a\u3001\u5236\u5b9a\u5b89\u5168\u7b56\u7565\u7b49\u529f\u80fd\u3002\r\n\r\nCisco WSA\u7684\u672c\u5730pass-through FTP\u529f\u80fd\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u6570\u636e\u4f20\u8f93\u5b8c\u6210\u540e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u7ec8\u6b62FTP\u63a7\u5236\u8fde\u63a5\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u4f7f\u7528WSA\u521d\u59cb\u5316FTP\u8fde\u63a5\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08CPU\u6d88\u8017\uff09\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Cisco Web Security Appliance\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-04428\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco Web Security Appliance"
  },
  "referenceLink": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa",
  "serverity": "\u4e2d",
  "submitTime": "2016-06-29",
  "title": "Cisco Web Security Appliance\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2016-04428\uff09"
}

CVE-2016-1440 (GCVE-0-2016-1440)

Vulnerability from cvelistv5 – Published: 2016-07-02 14:00 – Updated: 2024-08-05 22:55

Summary

The proxy process on Cisco Web Security Appliance (WSA) devices through 9.1.0-070 allows remote attackers to cause a denial of service (CPU consumption) by establishing an FTP session and then improperly terminating the control connection after a file transfer, aka Bug ID CSCuy43468.

Severity

No CVSS data available.

CWE

Assigner

cisco mitre root

References

2 references

URL	Tags
http://www.securitytracker.com/id/1036188	vdb-entryx_refsource_SECTRACK
http://tools.cisco.com/security/center/content/Ci…	vendor-advisoryx_refsource_CISCO

Date Public

2016-06-27 00:00

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-05T22:55:14.595Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "1036188",
            "tags": [
              "vdb-entry",
              "x_refsource_SECTRACK",
              "x_transferred"
            ],
            "url": "http://www.securitytracker.com/id/1036188"
          },
          {
            "name": "20160627 Cisco Web Security Appliance Native FTP Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2016-06-27T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "The proxy process on Cisco Web Security Appliance (WSA) devices through 9.1.0-070 allows remote attackers to cause a denial of service (CPU consumption) by establishing an FTP session and then improperly terminating the control connection after a file transfer, aka Bug ID CSCuy43468."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2017-08-31T09:57:01.000Z",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "1036188",
          "tags": [
            "vdb-entry",
            "x_refsource_SECTRACK"
          ],
          "url": "http://www.securitytracker.com/id/1036188"
        },
        {
          "name": "20160627 Cisco Web Security Appliance Native FTP Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "ID": "CVE-2016-1440",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The proxy process on Cisco Web Security Appliance (WSA) devices through 9.1.0-070 allows remote attackers to cause a denial of service (CPU consumption) by establishing an FTP session and then improperly terminating the control connection after a file transfer, aka Bug ID CSCuy43468."
            }
          ]
        },
        "problemtype": {
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              "description": [
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                  "lang": "eng",
                  "value": "n/a"
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        "references": {
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              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1036188"
            },
            {
              "name": "20160627 Cisco Web Security Appliance Native FTP Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20160627-wsa"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2016-1440",
    "datePublished": "2016-07-02T14:00:00.000Z",
    "dateReserved": "2016-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-05T22:55:14.595Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

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.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

CNVD-2016-04428

CVE-2016-1440 (GCVE-0-2016-1440)

Tags

Sightings

Nomenclature

Related by attack behaviour