CNVD-2018-22522

Vulnerability from cnvd - Published: 2018-11-06
VLAI Severity ?
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
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{
  "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

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.