Vulnerability-Lookup

CNVD-2016-02156

Vulnerability from cnvd - Published: 2016-04-13

Title

Red Hat libvirt目录遍历漏洞

Description

Red Hat libvirt是美国红帽（Red Hat）公司的一个用于实现Linux虚拟化功能的Linux API，它支持各种Hypervisor，包括Xen和KVM，以及QEMU和用于其他操作系统的一些虚拟产品。 Red Hat libvirt的storage/storage_backend_fs.c文件中的‘virStorageBackendFileSystemVolCreate’函数存在目录遍历漏洞。当程序使用fine-grained Access Control Lists(ACL)时，本地攻击者可借助数据卷名中的目录遍历字符‘..’利用该漏洞以storage_vol:create ACL权限写入任意文件。

Severity

中

Patch Name

Red Hat libvirt目录遍历漏洞的补丁

Patch Description

Formal description

目前厂商已经发布了升级补丁以修复此安全问题，补丁获取链接： http://security.libvirt.org/2015/0004.html

Reference

http://security.libvirt.org/2015/0004.html https://www.redhat.com/archives/libvir-list/2015-December/msg00473.html

Impacted products

Name
Red Hat libvirt

Show details on source website

JSON

To clipboard

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  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-5313"
    }
  },
  "description": "Red Hat libvirt\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5b9e\u73b0Linux\u865a\u62df\u5316\u529f\u80fd\u7684Linux API\uff0c\u5b83\u652f\u6301\u5404\u79cdHypervisor\uff0c\u5305\u62ecXen\u548cKVM\uff0c\u4ee5\u53caQEMU\u548c\u7528\u4e8e\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u4e9b\u865a\u62df\u4ea7\u54c1\u3002\r\n\r\nRed Hat libvirt\u7684storage/storage_backend_fs.c\u6587\u4ef6\u4e2d\u7684\u2018virStorageBackendFileSystemVolCreate\u2019\u51fd\u6570\u5b58\u5728\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528fine-grained Access Control Lists(ACL)\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u6570\u636e\u5377\u540d\u4e2d\u7684\u76ee\u5f55\u904d\u5386\u5b57\u7b26\u2018..\u2019\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5storage_vol:create ACL\u6743\u9650\u5199\u5165\u4efb\u610f\u6587\u4ef6\u3002",
  "discovererName": "Red Hat",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttp://security.libvirt.org/2015/0004.html",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-02156",
  "openTime": "2016-04-13",
  "patchDescription": "Red Hat libvirt\u662f\u7f8e\u56fd\u7ea2\u5e3d\uff08Red Hat\uff09\u516c\u53f8\u7684\u4e00\u4e2a\u7528\u4e8e\u5b9e\u73b0Linux\u865a\u62df\u5316\u529f\u80fd\u7684Linux API\uff0c\u5b83\u652f\u6301\u5404\u79cdHypervisor\uff0c\u5305\u62ecXen\u548cKVM\uff0c\u4ee5\u53caQEMU\u548c\u7528\u4e8e\u5176\u4ed6\u64cd\u4f5c\u7cfb\u7edf\u7684\u4e00\u4e9b\u865a\u62df\u4ea7\u54c1\u3002\r\n\r\nRed Hat libvirt\u7684storage/storage_backend_fs.c\u6587\u4ef6\u4e2d\u7684\u2018virStorageBackendFileSystemVolCreate\u2019\u51fd\u6570\u5b58\u5728\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u3002\u5f53\u7a0b\u5e8f\u4f7f\u7528fine-grained Access Control Lists(ACL)\u65f6\uff0c\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u6570\u636e\u5377\u540d\u4e2d\u7684\u76ee\u5f55\u904d\u5386\u5b57\u7b26\u2018..\u2019\u5229\u7528\u8be5\u6f0f\u6d1e\u4ee5storage_vol:create ACL\u6743\u9650\u5199\u5165\u4efb\u610f\u6587\u4ef6\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": "Red Hat libvirt\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Red Hat libvirt"
  },
  "referenceLink": "http://security.libvirt.org/2015/0004.html\r\nhttps://www.redhat.com/archives/libvir-list/2015-December/msg00473.html",
  "serverity": "\u4e2d",
  "submitTime": "2016-04-12",
  "title": "Red Hat libvirt\u76ee\u5f55\u904d\u5386\u6f0f\u6d1e"
}

CVE-2015-5313 (GCVE-0-2015-5313)

Vulnerability from cvelistv5 – Published: 2016-04-11 21:00 – Updated: 2024-08-06 06:41

Summary

Directory traversal vulnerability in the virStorageBackendFileSystemVolCreate function in storage/storage_backend_fs.c in libvirt, when fine-grained Access Control Lists (ACL) are in effect, allows local users with storage_vol:create ACL but not domain:write permission to write to arbitrary files via a .. (dot dot) in a volume name.

Severity

No CVSS data available.

CWE

Assigner

redhat redhat root Scorecard

References

7 references

URL	Tags
http://security.libvirt.org/2015/0004.html	x_refsource_CONFIRM
http://libvirt.org/git/?p=libvirt.git%3Ba=commit%…	x_refsource_CONFIRM
http://www.securityfocus.com/bid/90913	vdb-entryx_refsource_BID
https://www.redhat.com/archives/libvir-list/2015-…	mailing-listx_refsource_MLIST
http://lists.fedoraproject.org/pipermail/package-…	vendor-advisoryx_refsource_FEDORA
https://security.gentoo.org/glsa/201612-10	vendor-advisoryx_refsource_GENTOO
http://rhn.redhat.com/errata/RHSA-2016-2577.html	vendor-advisoryx_refsource_REDHAT

Date Public

2015-12-11 00:00

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2024-08-06T06:41:09.347Z",
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            "url": "http://security.libvirt.org/2015/0004.html"
          },
          {
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            "url": "http://libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=034e47c338b13a95cf02106a3af912c1c5f818d7"
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          },
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            "tags": [
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          },
          {
            "name": "FEDORA-2015-30b347dff1",
            "tags": [
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            "name": "GLSA-201612-10",
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        ],
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    "cna": {
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          "value": "Directory traversal vulnerability in the virStorageBackendFileSystemVolCreate function in storage/storage_backend_fs.c in libvirt, when fine-grained Access Control Lists (ACL) are in effect, allows local users with storage_vol:create ACL but not domain:write permission to write to arbitrary files via a .. (dot dot) in a volume name."
        }
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      "problemTypes": [
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      "providerMetadata": {
        "dateUpdated": "2018-01-04T19:57:01.000Z",
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          "name": "[libvirt] 20151211 [PATCH] CVE-2015-5313: storage: don\u0027t allow \u0027/\u0027 in filesystem volume names",
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          "name": "FEDORA-2015-30b347dff1",
          "tags": [
            "vendor-advisory",
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          ],
          "url": "http://lists.fedoraproject.org/pipermail/package-announce/2015-December/174404.html"
        },
        {
          "name": "GLSA-201612-10",
          "tags": [
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            "x_refsource_GENTOO"
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          "url": "https://security.gentoo.org/glsa/201612-10"
        },
        {
          "name": "RHSA-2016:2577",
          "tags": [
            "vendor-advisory",
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          "url": "http://rhn.redhat.com/errata/RHSA-2016-2577.html"
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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.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
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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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CNVD-2016-02156

CVE-2015-5313 (GCVE-0-2015-5313)

Tags

Sightings

Nomenclature

Related by attack behaviour