cnvd - cnvd-2020-04827

cnvd-2020-04827

Vulnerability from cnvd

Title: libxml2无限循环漏洞

Description:

libxml2是一款使用C语言编写的用于解析XML文档的函数库。

libxml2 2.9.10版本中的parser.c文件的xmlStringLenDecodeEntities存在安全漏洞。攻击者可利用该漏洞造成无限循环。

Severity: 高

Patch Name: libxml2无限循环漏洞的补丁

Patch Description:

libxml2是一款使用C语言编写的用于解析XML文档的函数库。

libxml2 2.9.10版本中的parser.c文件的xmlStringLenDecodeEntities存在安全漏洞。攻击者可利用该漏洞造成无限循环。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:

厂商已发布了漏洞修复程序，请及时关注更新： https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076

Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-7595

Impacted products

Name
libxml2 libxml2 2.9.10

Show details on source website

JSON

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      "cveNumber": "CVE-2020-7595",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2020-7595"
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  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-04827",
  "openTime": "2020-02-12",
  "patchDescription": "libxml2\u662f\u4e00\u6b3e\u4f7f\u7528C\u8bed\u8a00\u7f16\u5199\u7684\u7528\u4e8e\u89e3\u6790XML\u6587\u6863\u7684\u51fd\u6570\u5e93\u3002\r\n\r\nlibxml2 2.9.10\u7248\u672c\u4e2d\u7684parser.c\u6587\u4ef6\u7684xmlStringLenDecodeEntities\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u9020\u6210\u65e0\u9650\u5faa\u73af\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\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
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  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2020-7595",
  "serverity": "\u9ad8",
  "submitTime": "2020-01-22",
  "title": "libxml2\u65e0\u9650\u5faa\u73af\u6f0f\u6d1e"
}

CVE-2020-7595 (GCVE-0-2020-7595)

Vulnerability from cvelistv5

Published

2020-01-21 22:54

Modified

2024-08-04 09:33

Severity ?

CWE

Summary

xmlStringLenDecodeEntities in parser.c in libxml2 2.9.10 has an infinite loop in a certain end-of-file situation.

References

▼	URL	Tags
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/545SPOI3ZPPNPX4TFRIVE4JVRTJRKULL/	vendor-advisory, x_refsource_FEDORA
	https://usn.ubuntu.com/4274-1/	vendor-advisory, x_refsource_UBUNTU
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5R55ZR52RMBX24TQTWHCIWKJVRV6YAWI/	vendor-advisory, x_refsource_FEDORA
	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDPF3AAVKUAKDYFMFKSIQSVVS3EEFPQH/	vendor-advisory, x_refsource_FEDORA
	http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00047.html	vendor-advisory, x_refsource_SUSE
	https://www.oracle.com/security-alerts/cpujul2020.html	x_refsource_MISC
	https://security.netapp.com/advisory/ntap-20200702-0005/	x_refsource_CONFIRM
	https://gitlab.gnome.org/GNOME/libxml2/commit/0e1a49c89076	x_refsource_MISC
	https://lists.debian.org/debian-lts-announce/2020/09/msg00009.html	mailing-list, x_refsource_MLIST
	https://security.gentoo.org/glsa/202010-04	vendor-advisory, x_refsource_GENTOO
	https://www.oracle.com/security-alerts/cpuoct2021.html	x_refsource_MISC
	https://cert-portal.siemens.com/productcert/pdf/ssa-292794.pdf	x_refsource_CONFIRM
	https://us-cert.cisa.gov/ics/advisories/icsa-21-103-08	x_refsource_CONFIRM
	https://www.oracle.com/security-alerts/cpuapr2022.html	x_refsource_MISC
	https://www.oracle.com/security-alerts/cpujul2022.html	x_refsource_MISC

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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