cnvd - cnvd-2017-37714

cnvd-2017-37714

Vulnerability from cnvd

Title: libxml2 parser.c文件拒绝服务漏洞

Description:

libxml2是GNOME项目组所研发的一个基于C语言的用来解析XML文档的函数库，它支持多种编码格式、Xpath解析、Well-formed和valid验证等。

libxml2 2.9.5之前的版本中的parser.c文件存在拒绝服务漏洞，该漏洞源于程序在参数实体中未能阻止无限递归。攻击者可利用该漏洞造成拒绝服务（无限循环或内存耗尽）。

Severity: 中

Patch Name: libxml2 parser.c文件拒绝服务漏洞的补丁

Patch Description:

libxml2是GNOME项目组所研发的一个基于C语言的用来解析XML文档的函数库，它支持多种编码格式、Xpath解析、Well-formed和valid验证等。

libxml2 2.9.5之前的版本中的parser.c文件存在拒绝服务漏洞，该漏洞源于程序在参数实体中未能阻止无限递归。攻击者可利用该漏洞造成拒绝服务（无限循环或内存耗尽）。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://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961

Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-16932

Impacted products

Name
XMLSoft Libxml2 <2.9.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2017-16932"
    }
  },
  "description": "libxml2\u662fGNOME\u9879\u76ee\u7ec4\u6240\u7814\u53d1\u7684\u4e00\u4e2a\u57fa\u4e8eC\u8bed\u8a00\u7684\u7528\u6765\u89e3\u6790XML\u6587\u6863\u7684\u51fd\u6570\u5e93\uff0c\u5b83\u652f\u6301\u591a\u79cd\u7f16\u7801\u683c\u5f0f\u3001Xpath\u89e3\u6790\u3001Well-formed\u548cvalid\u9a8c\u8bc1\u7b49\u3002\r\n\r\nlibxml2 2.9.5\u4e4b\u524d\u7684\u7248\u672c\u4e2d\u7684parser.c\u6587\u4ef6\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u5728\u53c2\u6570\u5b9e\u4f53\u4e2d\u672a\u80fd\u963b\u6b62\u65e0\u9650\u9012\u5f52\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u62d2\u7edd\u670d\u52a1\uff08\u65e0\u9650\u5faa\u73af\u6216\u5185\u5b58\u8017\u5c3d\uff09\u3002",
  "discovererName": "unknwon",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2017-37714",
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  "products": {
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  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2017-16932",
  "serverity": "\u4e2d",
  "submitTime": "2017-11-24",
  "title": "libxml2 parser.c\u6587\u4ef6\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}

CVE-2017-16932 (GCVE-0-2017-16932)

Vulnerability from cvelistv5

Published

2017-11-23 21:00

Modified

2024-08-05 20:43

Severity ?

CWE

Summary

parser.c in libxml2 before 2.9.5 does not prevent infinite recursion in parameter entities.

References

▼	URL	Tags
	https://blog.clamav.net/2018/07/clamav-01001-has-been-released.html	x_refsource_CONFIRM
	https://lists.debian.org/debian-lts-announce/2017/11/msg00041.html	mailing-list, x_refsource_MLIST
	http://xmlsoft.org/news.html	x_refsource_CONFIRM
	https://usn.ubuntu.com/3739-1/	vendor-advisory, x_refsource_UBUNTU
	https://github.com/GNOME/libxml2/commit/899a5d9f0ed13b8e32449a08a361e0de127dd961	x_refsource_CONFIRM
	https://bugzilla.gnome.org/show_bug.cgi?id=759579	x_refsource_CONFIRM
	https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E	mailing-list, x_refsource_MLIST
	https://lists.debian.org/debian-lts-announce/2022/04/msg00004.html	mailing-list, x_refsource_MLIST

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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