cnvd-2017-36203
Vulnerability from cnvd
Title
iText XML外部实体漏洞
Description
iText是一个软件开发工具包，允许用户将PDF功能集成到其应用程序、流程或产品中。 5.5.12之前和7.0.3之前的7.x版本的iText存在XML外部实体注入漏洞。该漏洞产生的原因是iText中的XML解析器不禁用外部实体。攻击者可通过特制PDF进行XML外部实体（XXE）攻击。
Severity
中
Patch Name
iText XML外部实体漏洞的补丁
Patch Description
iText是一个软件开发工具包，允许用户将PDF功能集成到其应用程序、流程或产品中。 5.5.12之前和7.0.3之前的7.x版本的iText存在XML外部实体注入漏洞。该漏洞产生的原因是iText中的XML解析器不禁用外部实体。攻击者可通过特制PDF进行XML外部实体（XXE）攻击。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

厂商已发布漏洞修复程序，请及时关注更新： https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt

Reference
https://nvd.nist.gov/vuln/detail/CVE-2017-9096
Impacted products
Name
['iText iText <5.5.12', 'iText iText 7.*，<7.0.3']
Show details on source website

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{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-9096"
    }
  },
  "description": "iText\u662f\u4e00\u4e2a\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff0c\u5141\u8bb8\u7528\u6237\u5c06PDF\u529f\u80fd\u96c6\u6210\u5230\u5176\u5e94\u7528\u7a0b\u5e8f\u3001\u6d41\u7a0b\u6216\u4ea7\u54c1\u4e2d\u3002\r\n\r\n5.5.12\u4e4b\u524d\u548c7.0.3\u4e4b\u524d\u76847.x\u7248\u672c\u7684iText\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662fiText\u4e2d\u7684XML\u89e3\u6790\u5668\u4e0d\u7981\u7528\u5916\u90e8\u5b9e\u4f53\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236PDF\u8fdb\u884cXML\u5916\u90e8\u5b9e\u4f53\uff08XXE\uff09\u653b\u51fb\u3002",
  "discovererName": "iText",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-36203",
  "openTime": "2017-12-05",
  "patchDescription": "iText\u662f\u4e00\u4e2a\u8f6f\u4ef6\u5f00\u53d1\u5de5\u5177\u5305\uff0c\u5141\u8bb8\u7528\u6237\u5c06PDF\u529f\u80fd\u96c6\u6210\u5230\u5176\u5e94\u7528\u7a0b\u5e8f\u3001\u6d41\u7a0b\u6216\u4ea7\u54c1\u4e2d\u3002\r\n\r\n5.5.12\u4e4b\u524d\u548c7.0.3\u4e4b\u524d\u76847.x\u7248\u672c\u7684iText\u5b58\u5728XML\u5916\u90e8\u5b9e\u4f53\u6ce8\u5165\u6f0f\u6d1e\u3002\u8be5\u6f0f\u6d1e\u4ea7\u751f\u7684\u539f\u56e0\u662fiText\u4e2d\u7684XML\u89e3\u6790\u5668\u4e0d\u7981\u7528\u5916\u90e8\u5b9e\u4f53\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236PDF\u8fdb\u884cXML\u5916\u90e8\u5b9e\u4f53\uff08XXE\uff09\u653b\u51fb\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": "iText XML\u5916\u90e8\u5b9e\u4f53\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": [
      "iText iText \u003c5.5.12",
      "iText iText 7.*\uff0c\u003c7.0.3"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-9096",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-07",
  "title": "iText XML\u5916\u90e8\u5b9e\u4f53\u6f0f\u6d1e"
}


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