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CNVD-2018-22522

Vulnerability from cnvd - Published: 2018-11-06
VLAI
Title
Cisco WebEx Meetings Server XML外部实体注入漏洞
Description
Cisco WebEx Meetings Server是美国思科（Cisco）公司的多功能视频会议解决方案。 Cisco WebEx Meetings Server存在XML外部实体注入漏洞，远程未经身份验证的攻击者可能会导致机密数据泄露，拒绝服务，服务器端请求伪造，从解析器所在机器的角度进行端口扫描，以及使用此漏洞导致的其他系统影响。
Severity
高
Patch Name
Cisco WebEx Meetings Server XML外部实体注入漏洞的补丁
Patch Description
Cisco WebEx Meetings Server是美国思科（Cisco）公司的多功能视频会议解决方案。 Cisco WebEx Meetings Server存在XML外部实体注入漏洞，远程未经身份验证的攻击者可能会导致机密数据泄露，拒绝服务，服务器端请求伪造，从解析器所在机器的角度进行端口扫描，以及使用此漏洞导致的其他系统影响。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description

用户可联系供应商获得补丁信息： http://cisco.com

Reference
https://seclists.org/bugtraq/2018/Nov/0
Impacted products
Name
Cisco WebEx Meetings Server
Show details on source website
To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-18895"
    }
  },
  "description": "Cisco WebEx Meetings Server\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u591a\u529f\u80fd\u89c6\u9891\u4f1a\u8bae\u89e3\u51b3\u65b9\u6848\u3002\n\nCisco WebEx Meetings Server\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5bfc\u81f4\u673a\u5bc6\u6570\u636e\u6cc4\u9732\uff0c\u62d2\u7edd\u670d\u52a1\uff0c\u670d\u52a1\u5668\u7aef\u8bf7\u6c42\u4f2a\u9020\uff0c\u4ece\u89e3\u6790\u5668\u6240\u5728\u673a\u5668\u7684\u89d2\u5ea6\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\uff0c\u4ee5\u53ca\u4f7f\u7528\u6b64\u6f0f\u6d1e\u5bfc\u81f4\u7684\u5176\u4ed6\u7cfb\u7edf\u5f71\u54cd\u3002",
  "discovererName": "Alphan Yavas from Biznet Bilisim A.S.",
  "formalWay": "\u7528\u6237\u53ef\u8054\u7cfb\u4f9b\u5e94\u5546\u83b7\u5f97\u8865\u4e01\u4fe1\u606f\uff1a\r\nhttp://cisco.com",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-22522",
  "openTime": "2018-11-06",
  "patchDescription": "Cisco WebEx Meetings Server\u662f\u7f8e\u56fd\u601d\u79d1\uff08Cisco\uff09\u516c\u53f8\u7684\u591a\u529f\u80fd\u89c6\u9891\u4f1a\u8bae\u89e3\u51b3\u65b9\u6848\u3002\r\n\r\nCisco WebEx Meetings Server\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\uff0c\u8fdc\u7a0b\u672a\u7ecf\u8eab\u4efd\u9a8c\u8bc1\u7684\u653b\u51fb\u8005\u53ef\u80fd\u4f1a\u5bfc\u81f4\u673a\u5bc6\u6570\u636e\u6cc4\u9732\uff0c\u62d2\u7edd\u670d\u52a1\uff0c\u670d\u52a1\u5668\u7aef\u8bf7\u6c42\u4f2a\u9020\uff0c\u4ece\u89e3\u6790\u5668\u6240\u5728\u673a\u5668\u7684\u89d2\u5ea6\u8fdb\u884c\u7aef\u53e3\u626b\u63cf\uff0c\u4ee5\u53ca\u4f7f\u7528\u6b64\u6f0f\u6d1e\u5bfc\u81f4\u7684\u5176\u4ed6\u7cfb\u7edf\u5f71\u54cd\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 WebEx Meetings Server XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Cisco WebEx Meetings Server"
  },
  "referenceLink": "https://seclists.org/bugtraq/2018/Nov/0",
  "serverity": "\u9ad8",
  "submitTime": "2018-11-06",
  "title": "Cisco WebEx Meetings Server XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e"
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.


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.