cnvd - cnvd-2017-16034

cnvd-2017-16034

Vulnerability from cnvd

Title: Expat XML外部实体拒绝服务漏洞

Description:

Expat是一个以C语言编写的面向流的XML解析器库。

Expat XML外部实体拒绝服务漏洞。该漏洞源于Expat的entityValueInitProcessor函数存在外部实体中的畸形XML，攻击者可以利用该漏洞导致拒绝服务。

Severity: 中

Patch Name: Expat XML外部实体拒绝服务漏洞的补丁

Patch Description:

Expat是一个以C语言编写的面向流的XML解析器库。

Expat XML外部实体拒绝服务漏洞。该漏洞源于Expat的entityValueInitProcessor函数存在外部实体中的畸形XML，攻击者可以利用该漏洞导致拒绝服务。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://github.com/libexpat/libexpat/commit/c4bf96bb51dd2a1b0e185374362ee136fe2c9d7f

Reference: https://bugzilla.redhat.com/show_bug.cgi?id=1462729 http://www.securityfocus.com/bid/99276

Impacted products

Name
Expat Expat <=2.2

Show details on source website

JSON

To clipboard

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      "cveNumber": "CVE-2017-9233"
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  "discovererName": "Rhodri James",
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  "serverity": "\u4e2d",
  "submitTime": "2017-06-27",
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CVE-2017-9233 (GCVE-0-2017-9233)

Vulnerability from cvelistv5

Published

2017-07-25 20:00

Modified

2024-08-05 17:02

Severity ?

CWE

Summary

XML External Entity vulnerability in libexpat 2.2.0 and earlier (Expat XML Parser Library) allows attackers to put the parser in an infinite loop using a malformed external entity definition from an external DTD.

References

▼	URL	Tags
	https://support.apple.com/HT208144	x_refsource_CONFIRM
	https://libexpat.github.io/doc/cve-2017-9233/	x_refsource_CONFIRM
	https://github.com/libexpat/libexpat/blob/master/expat/Changes	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1039427	vdb-entry, x_refsource_SECTRACK
	https://support.apple.com/HT208113	x_refsource_CONFIRM
	https://support.apple.com/HT208112	x_refsource_CONFIRM
	https://support.apple.com/HT208115	x_refsource_CONFIRM
	http://www.debian.org/security/2017/dsa-3898	vendor-advisory, x_refsource_DEBIAN
	http://www.securityfocus.com/bid/99276	vdb-entry, x_refsource_BID
	http://www.openwall.com/lists/oss-security/2017/06/17/7	mailing-list, x_refsource_MLIST
	https://support.f5.com/csp/article/K03244804	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

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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