cnvd - cnvd-2015-07711

cnvd-2015-07711

Vulnerability from cnvd

Title: libxml2拒绝服务漏洞（CNVD-2015-07711）

Description:

libxml2是XML解析程序和标记工具集。

libxml2 2.9.2版本存在拒绝服务漏洞，允许攻击者通过精心编制XML数据中parserc的 xmlParseEntityDecl或xmlParseConditionalSections函数造成拒绝服务。

Severity: 中

Patch Name: libxml2拒绝服务漏洞（CNVD-2015-07711）的补丁

Patch Description:

libxml2是XML解析程序和标记工具集。

libxml2 2.9.2版本存在拒绝服务漏洞，允许攻击者通过精心编制XML数据中parserc的 xmlParseEntityDecl或xmlParseConditionalSections函数造成拒绝服务。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公告获取补丁以修复该漏洞： http://www.ubuntu.com/usn/USN-2812-1

Reference: http://www.ubuntu.com/usn/USN-2812-1

Impacted products

Name
libxml2 Libxml2 2.9.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-7941"
    }
  },
  "description": "libxml2\u662fXML\u89e3\u6790\u7a0b\u5e8f\u548c\u6807\u8bb0\u5de5\u5177\u96c6\u3002\r\n\r\nlibxml2 2.9.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u7cbe\u5fc3\u7f16\u5236XML\u6570\u636e\u4e2dparserc\u7684 xmlParseEntityDecl\u6216xmlParseConditionalSections\u51fd\u6570\u9020\u6210\u62d2\u7edd\u670d\u52a1\u3002",
  "discovererName": "unknown",
  "formalWay": "\u7528\u6237\u53ef\u53c2\u8003\u5982\u4e0b\u5382\u5546\u63d0\u4f9b\u7684\u5b89\u5168\u516c\u544a\u83b7\u53d6\u8865\u4e01\u4ee5\u4fee\u590d\u8be5\u6f0f\u6d1e\uff1a\r\nhttp://www.ubuntu.com/usn/USN-2812-1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-07711",
  "openTime": "2015-11-23",
  "patchDescription": "libxml2\u662fXML\u89e3\u6790\u7a0b\u5e8f\u548c\u6807\u8bb0\u5de5\u5177\u96c6\u3002\r\n\r\nlibxml2 2.9.2\u7248\u672c\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u5141\u8bb8\u653b\u51fb\u8005\u901a\u8fc7\u7cbe\u5fc3\u7f16\u5236XML\u6570\u636e\u4e2dparserc\u7684 xmlParseEntityDecl\u6216xmlParseConditionalSections\u51fd\u6570\u9020\u6210\u62d2\u7edd\u670d\u52a1\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-2015-07711\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "libxml2 Libxml2 2.9.2"
  },
  "referenceLink": "http://www.ubuntu.com/usn/USN-2812-1",
  "serverity": "\u4e2d",
  "submitTime": "2015-11-19",
  "title": "libxml2\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff08CNVD-2015-07711\uff09"
}

CVE-2015-7941 (GCVE-0-2015-7941)

Vulnerability from cvelistv5

Published

2015-11-18 16:00

Modified

2024-08-06 08:06

Severity ?

CWE

Summary

libxml2 2.9.2 does not properly stop parsing invalid input, which allows context-dependent attackers to cause a denial of service (out-of-bounds read and libxml2 crash) via crafted XML data to the (1) xmlParseEntityDecl or (2) xmlParseConditionalSections function in parser.c, as demonstrated by non-terminated entities.

References

▼	URL	Tags
	http://rhn.redhat.com/errata/RHSA-2015-2550.html	vendor-advisory, x_refsource_REDHAT
	http://www.securityfocus.com/bid/74241	vdb-entry, x_refsource_BID
	http://lists.opensuse.org/opensuse-updates/2016-01/msg00031.html	vendor-advisory, x_refsource_SUSE
	http://www.openwall.com/lists/oss-security/2015/10/22/5	mailing-list, x_refsource_MLIST
	https://git.gnome.org/browse/libxml2/commit/?id=9b8512337d14c8ddf662fcb98b0135f225a1c489	x_refsource_CONFIRM
	http://www.debian.org/security/2015/dsa-3430	vendor-advisory, x_refsource_DEBIAN
	http://xmlsoft.org/news.html	x_refsource_CONFIRM
	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177381.html	vendor-advisory, x_refsource_FEDORA
	https://bugzilla.gnome.org/show_bug.cgi?id=744980	x_refsource_CONFIRM
	http://rhn.redhat.com/errata/RHSA-2016-1089.html	vendor-advisory, x_refsource_REDHAT
	http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html	x_refsource_CONFIRM
	http://www.securitytracker.com/id/1034243	vdb-entry, x_refsource_SECTRACK
	http://rhn.redhat.com/errata/RHSA-2015-2549.html	vendor-advisory, x_refsource_REDHAT
	http://www.ubuntu.com/usn/USN-2812-1	vendor-advisory, x_refsource_UBUNTU
	http://marc.info/?l=bugtraq&m=145382616617563&w=2	vendor-advisory, x_refsource_HP
	http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html	vendor-advisory, x_refsource_FEDORA
	https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172	x_refsource_CONFIRM
	http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html	x_refsource_CONFIRM
	https://security.gentoo.org/glsa/201701-37	vendor-advisory, x_refsource_GENTOO
	http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html	vendor-advisory, x_refsource_SUSE
	http://www.openwall.com/lists/oss-security/2015/10/22/8	mailing-list, x_refsource_MLIST
	https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31	x_refsource_CONFIRM

Impacted products

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

Show details on NVD website

JSON

To clipboard

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              "url": "http://rhn.redhat.com/errata/RHSA-2016-1089.html"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html"
            },
            {
              "name": "1034243",
              "refsource": "SECTRACK",
              "url": "http://www.securitytracker.com/id/1034243"
            },
            {
              "name": "RHSA-2015:2549",
              "refsource": "REDHAT",
              "url": "http://rhn.redhat.com/errata/RHSA-2015-2549.html"
            },
            {
              "name": "USN-2812-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2812-1"
            },
            {
              "name": "HPSBGN03537",
              "refsource": "HP",
              "url": "http://marc.info/?l=bugtraq\u0026m=145382616617563\u0026w=2"
            },
            {
              "name": "FEDORA-2016-189a7bf68c",
              "refsource": "FEDORA",
              "url": "http://lists.fedoraproject.org/pipermail/package-announce/2016-February/177341.html"
            },
            {
              "name": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172",
              "refsource": "CONFIRM",
              "url": "https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c04944172"
            },
            {
              "name": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html",
              "refsource": "CONFIRM",
              "url": "http://www.oracle.com/technetwork/topics/security/bulletinjan2016-2867206.html"
            },
            {
              "name": "GLSA-201701-37",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201701-37"
            },
            {
              "name": "openSUSE-SU-2015:2372",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-updates/2015-12/msg00120.html"
            },
            {
              "name": "[oss-security] 20151022 Re: Crafted xml causes out of bound memory access - Libxml2",
              "refsource": "MLIST",
              "url": "http://www.openwall.com/lists/oss-security/2015/10/22/8"
            },
            {
              "name": "https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31",
              "refsource": "CONFIRM",
              "url": "https://git.gnome.org/browse/libxml2/commit/?id=a7dfab7411cbf545f359dd3157e5df1eb0e7ce31"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2015-7941",
    "datePublished": "2015-11-18T16:00:00",
    "dateReserved": "2015-10-22T00:00:00",
    "dateUpdated": "2024-08-06T08:06:31.043Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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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