cnvd-2016-03896
Vulnerability from cnvd
Title
CRIU信息泄露漏洞
Description
CRIU（Checkpoint/Restore In Userspace）是一套在Linux用户空间（userspace）上实现了checkpoint/restore功能的软件冻结和恢复执行工具。该工具支持冻结或者部分冻结一个应用程序的执行，并将其执行状态保存到磁盘中一系列文件中，也可以使用这些文件来恢复继续运行这个应用程序。 CRIU的服务守护进程中存在安全漏洞，该漏洞源于程序未能限制访问non-dumpable进程。本地攻击者可借助进程转储或ptrace访问权限利用该漏洞获取敏感信息。
Severity
低
Patch Name
CRIU信息泄露漏洞的补丁
Patch Description
CRIU（Checkpoint/Restore In Userspace）是一套在Linux用户空间（userspace）上实现了checkpoint/restore功能的软件冻结和恢复执行工具。该工具支持冻结或者部分冻结一个应用程序的执行，并将其执行状态保存到磁盘中一系列文件中，也可以使用这些文件来恢复继续运行这个应用程序。 CRIU的服务守护进程中存在安全漏洞，该漏洞源于程序未能限制访问non-dumpable进程。本地攻击者可借助进程转储或ptrace访问权限利用该漏洞获取敏感信息。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

目前厂商已经发布了升级补丁以修复此安全问题，详情请关注厂商主页： https://criu.org/

Reference
https://lists.openvz.org/pipermail/criu/2015-August/021847.html https://bugzilla.redhat.com/show_bug.cgi?id=1256728
Impacted products
Name
CRIU CRIU
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-5231"
    }
  },
  "description": "CRIU\uff08Checkpoint/Restore In Userspace\uff09\u662f\u4e00\u5957\u5728Linux\u7528\u6237\u7a7a\u95f4\uff08userspace\uff09\u4e0a\u5b9e\u73b0\u4e86checkpoint/restore\u529f\u80fd\u7684\u8f6f\u4ef6\u51bb\u7ed3\u548c\u6062\u590d\u6267\u884c\u5de5\u5177\u3002\u8be5\u5de5\u5177\u652f\u6301\u51bb\u7ed3\u6216\u8005\u90e8\u5206\u51bb\u7ed3\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6267\u884c\uff0c\u5e76\u5c06\u5176\u6267\u884c\u72b6\u6001\u4fdd\u5b58\u5230\u78c1\u76d8\u4e2d\u4e00\u7cfb\u5217\u6587\u4ef6\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u6765\u6062\u590d\u7ee7\u7eed\u8fd0\u884c\u8fd9\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nCRIU\u7684\u670d\u52a1\u5b88\u62a4\u8fdb\u7a0b\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9650\u5236\u8bbf\u95eenon-dumpable\u8fdb\u7a0b\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8fdb\u7a0b\u8f6c\u50a8\u6216ptrace\u8bbf\u95ee\u6743\u9650\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\u3002",
  "discovererName": "Florian Weimer",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u7ecf\u53d1\u5e03\u4e86\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6b64\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\uff1a\r\nhttps://criu.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2016-03896",
  "openTime": "2016-06-12",
  "patchDescription": "CRIU\uff08Checkpoint/Restore In Userspace\uff09\u662f\u4e00\u5957\u5728Linux\u7528\u6237\u7a7a\u95f4\uff08userspace\uff09\u4e0a\u5b9e\u73b0\u4e86checkpoint/restore\u529f\u80fd\u7684\u8f6f\u4ef6\u51bb\u7ed3\u548c\u6062\u590d\u6267\u884c\u5de5\u5177\u3002\u8be5\u5de5\u5177\u652f\u6301\u51bb\u7ed3\u6216\u8005\u90e8\u5206\u51bb\u7ed3\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\u7684\u6267\u884c\uff0c\u5e76\u5c06\u5176\u6267\u884c\u72b6\u6001\u4fdd\u5b58\u5230\u78c1\u76d8\u4e2d\u4e00\u7cfb\u5217\u6587\u4ef6\u4e2d\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u6765\u6062\u590d\u7ee7\u7eed\u8fd0\u884c\u8fd9\u4e2a\u5e94\u7528\u7a0b\u5e8f\u3002\r\n\r\nCRIU\u7684\u670d\u52a1\u5b88\u62a4\u8fdb\u7a0b\u4e2d\u5b58\u5728\u5b89\u5168\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u7a0b\u5e8f\u672a\u80fd\u9650\u5236\u8bbf\u95eenon-dumpable\u8fdb\u7a0b\u3002\u672c\u5730\u653b\u51fb\u8005\u53ef\u501f\u52a9\u8fdb\u7a0b\u8f6c\u50a8\u6216ptrace\u8bbf\u95ee\u6743\u9650\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u654f\u611f\u4fe1\u606f\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": "CRIU\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "CRIU CRIU"
  },
  "referenceLink": "https://lists.openvz.org/pipermail/criu/2015-August/021847.html\r\nhttps://bugzilla.redhat.com/show_bug.cgi?id=1256728",
  "serverity": "\u4f4e",
  "submitTime": "2016-06-08",
  "title": "CRIU\u4fe1\u606f\u6cc4\u9732\u6f0f\u6d1e"
}


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