cnvd - cnvd-2015-05294

cnvd-2015-05294

Vulnerability from cnvd

Title: LXC代码注入漏洞

Description:

LXC（LinuX Containers）是Linux内核容器功能的一个用户空间接口，它通过强大的API和简单的工具，使Linux用户易于创建和管理系统或应用容器。

LXC 1.1.2及之前版本的attach.c文件中存在安全漏洞，该漏洞源于程序未能正确地使用容器中的proc文件系统。本地攻击者可通过挂载带有特制的AppArmor配置文件或SELinux标签的proc文件系统利用该漏洞绕过AppArmor或SELinux限制。

Severity: 中

Patch Name: LXC代码注入漏洞的补丁

Patch Description:

LXC（LinuX Containers）是Linux内核容器功能的一个用户空间接口，它通过强大的API和简单的工具，使Linux用户易于创建和管理系统或应用容器。LXC 1.1.2及之前版本的attach.c文件中存在安全漏洞，该漏洞源于程序未能正确地使用容器中的proc文件系统。本地攻击者可通过挂载带有特制的AppArmor配置文件或SELinux标签的proc文件系统利用该漏洞绕过AppArmor或SELinux限制。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-2675-1

Reference: http://www.ubuntu.com/usn/USN-2675-1

Impacted products

Name
Linux LXC <=1.1.2

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-1334"
    }
  },
  "description": "LXC\uff08LinuX Containers\uff09\u662fLinux\u5185\u6838\u5bb9\u5668\u529f\u80fd\u7684\u4e00\u4e2a\u7528\u6237\u7a7a\u95f4\u63a5\u53e3\uff0c\u5b83\u901a\u8fc7\u5f3a\u5927\u7684API\u548c\u7b80\u5355\u7684\u5de5\u5177\uff0c\u4f7fLinux\u7528\u6237\u6613\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u7cfb\u7edf\u6216\u5e94\u7528\u5bb9\u5668\u3002\r\n\r\nLXC 1.1.2\u53ca\u4e4b\u524d\u7248\u672c\u7684attach.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5730\u4f7f\u7528\u5bb9\u5668\u4e2d\u7684proc\u6587\u4ef6\u7cfb\u7edf\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6302\u8f7d\u5e26\u6709\u7279\u5236\u7684AppArmor\u914d\u7f6e\u6587\u4ef6\u6216SELinux\u6807\u7b7e\u7684proc\u6587\u4ef6\u7cfb\u7edf\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7AppArmor\u6216SELinux\u9650\u5236\u3002",
  "discovererName": "Roman Fiedler",
  "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-2675-1",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2015-05294",
  "openTime": "2015-08-17",
  "patchDescription": "LXC\uff08LinuX Containers\uff09\u662fLinux\u5185\u6838\u5bb9\u5668\u529f\u80fd\u7684\u4e00\u4e2a\u7528\u6237\u7a7a\u95f4\u63a5\u53e3\uff0c\u5b83\u901a\u8fc7\u5f3a\u5927\u7684API\u548c\u7b80\u5355\u7684\u5de5\u5177\uff0c\u4f7fLinux\u7528\u6237\u6613\u4e8e\u521b\u5efa\u548c\u7ba1\u7406\u7cfb\u7edf\u6216\u5e94\u7528\u5bb9\u5668\u3002LXC 1.1.2\u53ca\u4e4b\u524d\u7248\u672c\u7684attach.c\u6587\u4ef6\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u6b63\u786e\u5730\u4f7f\u7528\u5bb9\u5668\u4e2d\u7684proc\u6587\u4ef6\u7cfb\u7edf\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u6302\u8f7d\u5e26\u6709\u7279\u5236\u7684AppArmor\u914d\u7f6e\u6587\u4ef6\u6216SELinux\u6807\u7b7e\u7684proc\u6587\u4ef6\u7cfb\u7edf\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7AppArmor\u6216SELinux\u9650\u5236\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": "LXC\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Linux LXC \u003c=1.1.2"
  },
  "referenceLink": "http://www.ubuntu.com/usn/USN-2675-1",
  "serverity": "\u4e2d",
  "submitTime": "2015-08-13",
  "title": "LXC\u4ee3\u7801\u6ce8\u5165\u6f0f\u6d1e"
}

CVE-2015-1334 (GCVE-0-2015-1334)

Vulnerability from cvelistv5

Published

2015-08-12 14:00

Modified

2024-08-06 04:40

Severity ?

CWE

Summary

attach.c in LXC 1.1.2 and earlier uses the proc filesystem in a container, which allows local container users to escape AppArmor or SELinux confinement by mounting a proc filesystem with a crafted (1) AppArmor profile or (2) SELinux label.

References

▼	URL	Tags
	http://www.debian.org/security/2015/dsa-3317	vendor-advisory, x_refsource_DEBIAN
	http://www.ubuntu.com/usn/USN-2675-1	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-updates/2015-07/msg00066.html	vendor-advisory, x_refsource_SUSE
	http://www.securityfocus.com/bid/75998	vdb-entry, x_refsource_BID
	https://service.ait.ac.at/security/2015/LxcSecurityAnalysis.html	x_refsource_MISC
	https://github.com/lxc/lxc/commit/5c3fcae78b63ac9dd56e36075903921bd9461f9e	x_refsource_CONFIRM
	http://lists.opensuse.org/opensuse-updates/2015-07/msg00067.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00073.html	vendor-advisory, x_refsource_SUSE

Impacted products

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

Show details on NVD website

JSON

To clipboard

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              "x_refsource_DEBIAN",
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          },
          {
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              "vendor-advisory",
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          },
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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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