Vulnerability-Lookup

CNVD-2017-07341

Vulnerability from cnvd - Published: 2017-05-24

Title

libxml2拒绝服务漏洞（CNVD-2017-07341）

Description

Libxml2是为Gnome项目开发的XML C解析器和工具包（但在Gnome平台之外可用），它是根据MIT许可证提供的免费软件。 libxml2中的HTMLparser.c中的htmlParseTryOrFinish函数存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务或信息泄露。

Severity

中

Patch Name

libxml2拒绝服务漏洞（CNVD-2017-07341）的补丁

Patch Description

Libxml2是为Gnome项目开发的XML C解析器和工具包（但在Gnome平台之外可用），它是根据MIT许可证提供的免费软件。 libxml2中的HTMLparser.c中的htmlParseTryOrFinish函数存在拒绝服务漏洞。远程攻击者可利用该漏洞造成拒绝服务或信息泄露。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

用户可参考如下厂商提供的安全补丁以修复该漏洞: https://bugzilla.gnome.org/show_bug.cgi?id=775200

Reference

https://bugzilla.gnome.org/show_bug.cgi?id=775200 https://nvd.nist.gov/vuln/detail/CVE-2017-8872

Impacted products

Name
XMLSoft Libxml2 2.9.4

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-8872",
      "cveUrl": "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8872"
    }
  },
  "description": "Libxml2\u662f\u4e3aGnome\u9879\u76ee\u5f00\u53d1\u7684XML C\u89e3\u6790\u5668\u548c\u5de5\u5177\u5305\uff08\u4f46\u5728Gnome\u5e73\u53f0\u4e4b\u5916\u53ef\u7528\uff09\uff0c\u5b83\u662f\u6839\u636eMIT\u8bb8\u53ef\u8bc1\u63d0\u4f9b\u7684\u514d\u8d39\u8f6f\u4ef6\u3002    \r\n                                                                                 \r\nlibxml2\u4e2d\u7684HTMLparser.c\u4e2d\u7684htmlParseTryOrFinish\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u4fe1\u606f\u6cc4\u9732\u3002",
  "discovererName": "deng yi",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e:\r\nhttps://bugzilla.gnome.org/show_bug.cgi?id=775200",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-07341",
  "openTime": "2017-05-24",
  "patchDescription": "Libxml2\u662f\u4e3aGnome\u9879\u76ee\u5f00\u53d1\u7684XML C\u89e3\u6790\u5668\u548c\u5de5\u5177\u5305\uff08\u4f46\u5728Gnome\u5e73\u53f0\u4e4b\u5916\u53ef\u7528\uff09\uff0c\u5b83\u662f\u6839\u636eMIT\u8bb8\u53ef\u8bc1\u63d0\u4f9b\u7684\u514d\u8d39\u8f6f\u4ef6\u3002    \r\n                                                                                 \r\nlibxml2\u4e2d\u7684HTMLparser.c\u4e2d\u7684htmlParseTryOrFinish\u51fd\u6570\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\u6216\u4fe1\u606f\u6cc4\u9732\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": "libxml2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-07341\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "XMLSoft Libxml2 2.9.4"
  },
  "referenceLink": "https://bugzilla.gnome.org/show_bug.cgi?id=775200\r\nhttps://nvd.nist.gov/vuln/detail/CVE-2017-8872",
  "serverity": "\u4e2d",
  "submitTime": "2017-05-11",
  "title": "libxml2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2017-07341\uff09"
}

CVE-2017-8872 (GCVE-0-2017-8872)

Vulnerability from cvelistv5 – Published: 2017-05-10 05:14 – Updated: 2025-12-17 21:59

Summary

The htmlParseTryOrFinish function in HTMLparser.c in libxml2 2.9.4 allows attackers to cause a denial of service (buffer over-read) or information disclosure.

Severity

9.1 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-12-17 21:59 UTC

CWE

n/a
CWE-125 - Out-of-bounds Read

Assigner

mitre mitre root

References

2 references

URL	Tags
https://bugzilla.gnome.org/show_bug.cgi?id=775200	x_refsource_MISC
https://lists.debian.org/debian-lts-announce/2020…	mailing-listx_refsource_MLIST

Date Public

2017-05-09 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

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Confirmed: The vulnerability has been validated from an analyst's perspective.
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Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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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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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.
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Action not permitted

CNVD-2017-07341

CVE-2017-8872 (GCVE-0-2017-8872)

Tags

Sightings

Nomenclature

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