Vulnerability-Lookup

CNVD-2017-36203

Vulnerability from cnvd - Published: 2017-12-05

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

JSON

To clipboard

{
  "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"
}

CVE-2017-9096 (GCVE-0-2017-9096)

Vulnerability from cvelistv5 – Published: 2017-11-08 16:00 – Updated: 2024-08-05 16:55

Summary

The XML parsers in iText before 5.5.12 and 7.x before 7.0.3 do not disable external entities, which might allow remote attackers to conduct XML external entity (XXE) attacks via a crafted PDF.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 28/100 over 2320 records in the last 180 days details

References

4 references

URL	Tags
http://www.securityfocus.com/archive/1/541483/100…	mailing-listx_refsource_BUGTRAQ
https://www.oracle.com/security-alerts/cpuoct2020.html	x_refsource_MISC
https://support.hpe.com/hpsc/doc/public/display?d…	x_refsource_CONFIRM
https://www.compass-security.com/fileadmin/Datein…	x_refsource_MISC

Date Public

2017-11-06 00:00

Show details on NVD website

JSON

To clipboard

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        "references": [
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            "name": "20171106 CVE-2017-9096 iText XML External Entity Vulnerability",
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            "url": "http://www.securityfocus.com/archive/1/541483/100/0/threaded"
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            "tags": [
              "x_refsource_MISC",
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            ],
            "url": "https://www.oracle.com/security-alerts/cpuoct2020.html"
          },
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            "url": "https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US\u0026docId=emr_na-hpesbhf03902en_us"
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        }
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      "providerMetadata": {
        "dateUpdated": "2020-10-20T21:14:52.000Z",
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      "references": [
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          "tags": [
            "x_refsource_MISC"
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          "url": "https://www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2017-017_itext_xml_external_entity_attack.txt"
        }
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      "x_legacyV4Record": {
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}

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.

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