CNVD-2016-03896

Vulnerability from cnvd - Published: 2016-06-12
VLAI
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
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

{
  "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"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • 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.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • 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.

Loading…

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…