JVN/CVE Demo: Jvninfos

JVN Info.

Id: 20888
Name: JVNDB-2013-002463
Title: Linux Kernel の kernel/user_namespace.c におけるファイルシステムの制限を回避される脆弱性
Summary: Linux Kernel の kernel/user_namespace.c 内の create_user_ns 関数は、名前空間ルートディレクトリ (namespace root directory) と異なる chroot ディレクトリが存在するかどうかをチェックしないため、ファイルシステムの制限を回避される脆弱性が存在します。
Nvdinfo: CVE-2013-1956
Cvssv2: 2.1
Jvnurl: http://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-002463.html
Published Date: 2013-04-05
Registered Date: 2013-04-26
Last Updated Date: 2013-05-09

Actions

History
+
Request History
4 previous requests available
====
Session
+
Session
- 0(null)
====
Request
+
Request

Cake Params
- plugin(null)
- controllerjvninfos
- actionview
- named(empty)
- pass(array)
  020888
Post data

No post data.

Query string

No querystring data.

Cookie

To view Cookies, add CookieComponent to Controller

Current Route
- keys(array)
  0controller
  1action
- options(array)
  defaultRoute(true)
- defaults(array)
  plugin(null)
- template/:controller/:action/*
====
Sql Log
+

Sql Logs

default
No query logs.

====

Timer

Memory

Peak Memory Use 3.58 MB

Message	Memory use
Component initialization	1.38 MB
Controller action start	1.48 MB
Controller render start	2.31 MB
View render complete	2.65 MB

Timers

Total Request Time: 76 (ms)

Message	Time in ms	Graph
Core Processing (Derived from $_SERVER["REQUEST_TIME"])	2.54
Event: Controller.initialize	0.02
Event: Controller.startup	0.06
Controller action	55.78
Event: Controller.beforeRender	11.69
» Processing toolbar data	11.60
Rendering View	1.68
» Event: View.beforeRender	0.02
» Rendering APP/View/Jvninfos/view.ctp	0.76
» Event: View.afterRender	0.02
» Event: View.beforeLayout	0.02
» Rendering APP/View/Layouts/default.ctp	0.51
» » Rendering CORE/Cake/View/Elements/sql_dump.ctp	0.08
Event: View.afterLayout	0.00

====

Log
+

Logs

There were no log entries made this request

====
Variables
+
View Variables
- jvninfo(array)
  Jvninfo(array)
  id20888
  nameJVNDB-2013-002463
  titleLinux Kernel の kernel/user_namespace.c におけるファイルシステムの制限を回避される脆弱性
  summaryLinux Kernel の kernel/user_namespace.c 内の create_user_ns 関数は、名前空間ルートディレクトリ (namespace root directory) と異なる chroot ディレクトリが存在するかどうかをチェックしないため、ファイルシステムの制限を回避される脆弱性が存在します。
  cveinfo_nameCVE-2013-1956
  cveinfo_id61898
  nvdinfo_nameCVE-2013-1956
  nvdinfo_id38081
  cvssv22.1
  cvssv3(null)
  jvnurlhttp://jvndb.jvn.jp/ja/contents/2013/JVNDB-2013-002463.html
  published_date2013-04-05
  registered_date2013-04-26
  last_updated_date2013-05-09
  deleted(null)
  created0000-00-00 00:00:00
  modified(null)
  Cveinfo(array)
  id61898
  nameCVE-2013-1951
  statusCandidate
  description** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided.
  phaseAssigned (20130219)
  votesNone (candidate not yet proposed)
  comments(null)
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  Nvdinfo(array)
  id38081
  nameCVE-2013-1956
  descriptionThe create_user_ns function in kernel/user_namespace.c in the Linux kernel before 3.8.6 does not check whether a chroot directory exists that differs from the namespace root directory, which allows local users to bypass intended filesystem restrictions via a crafted clone system call.
  reject(null)
  CVSS_version2
  CVSS_score2.1
  severityLow
  CVSS_base_score2.1
  CVSS_impact_subscore2.9
  CVSS_exploit_subscore3.9
  nvd_xml_version(null)
  CVSS_vector(AV:L/AC:L/Au:N/C:N/I:P/A:N)
  sourcecve
  pub_date2017-01-18
  published2013-04-24
  modified_date2013-05-01
  typeCVE
  seq2013-1956
  deleted(null)
  created(null)
  modified(null)
  Nessuslog(empty)
- $request->data(empty)
- $this->validationErrors(array)
  Jvninfo(empty)
  Cveinfo(empty)
  Nvdinfo(empty)
  Nessuslog(empty)
- Loaded Helpers(array)
  0Number
  1SimpleGraph
  2DebugTimer
  3Toolbar
  4Html
  5Text
  6Session
  7HtmlToolbar
====

Environment

App Constants

No application environment available.

CakePHP Constants

Constant	Value
APP	/virtual/inogo77/public_html/jvn/app/
APP_DIR	app
APPLIBS	/virtual/inogo77/public_html/jvn/app/Lib/
CACHE	/virtual/inogo77/public_html/jvn/app/tmp/cache/
CAKE	/virtual/inogo77/public_html/jvn/lib/Cake/
CAKE_CORE_INCLUDE_PATH	/virtual/inogo77/public_html/jvn/lib
CORE_PATH	/virtual/inogo77/public_html/jvn/lib/
CAKE_VERSION	2.6.0
CSS	/virtual/inogo77/public_html/jvn/app/webroot/css/
CSS_URL	css/
DS	/
FULL_BASE_URL	http://inogo77.s500.xrea.com
IMAGES	/virtual/inogo77/public_html/jvn/app/webroot/img/
IMAGES_URL	img/
JS	/virtual/inogo77/public_html/jvn/app/webroot/js/
JS_URL	js/
LOGS	/virtual/inogo77/public_html/jvn/app/tmp/logs/
ROOT	/virtual/inogo77/public_html/jvn
TESTS	/virtual/inogo77/public_html/jvn/app/Test/
TMP	/virtual/inogo77/public_html/jvn/app/tmp/
VENDORS	/virtual/inogo77/public_html/jvn/vendors/
WEBROOT_DIR	webroot
WWW_ROOT	/virtual/inogo77/public_html/jvn/app/webroot/

PHP Environment

Environment Variable	Value
Php Version	5.6.40
Phprc	php56.ini
Php Fcgi Children	1
Pwd	/virtual/inogo77/public_html/.fast-cgi-bin
Php Fcgi Max Requests	10000
Shlvl	0
Path	/usr/local/bin:/usr/bin:/bin
Script Name	/jvn/app/webroot/index.php
Request Uri	/jvn/jvninfos/view/20888
Query String
Request Method	GET
Server Protocol	HTTP/1.1
Gateway Interface	CGI/1.1
Redirect Url	/jvn/app/webroot/jvninfos/view/20888
Remote Port	60124
Script Filename	/virtual/inogo77/public_html/jvn/app/webroot/index.php
Server Admin	[no address given]
Context Document Root	/virtual/inogo77/public_html
Context Prefix
Request Scheme	http
Document Root	/virtual/inogo77/public_html
Remote Addr	216.73.217.2
Server Port	80
Server Addr	160.251.151.205
Server Name	inogo77.s500.xrea.com
Server Software	Apache
Server Signature
Http Connection	close
Http Cache Control	max-age=259200
Http X Forwarded For	10.1.5.50
Http Via	1.1 squid-proxy-5b5d847c96-xkbxz (squid/6.10)
Http Host	inogo77.s500.xrea.com
Http Accept Encoding	gzip, br, zstd, deflate
Http User Agent	Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Http Accept	/
Gem Home	/usr/local/rvm/gems/ruby-2.3.0
X Dostranslated Ip	216.73.217.2
Mm Country Code	US
Mmdb Info	result found
Mmdb Addr	216.73.217.2
Unique Id	aGhEq7ay51enxKZ-fTFHpAAAANI
Redirect Status	200
Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect X Dostranslated Ip	216.73.217.2
Redirect Mm Country Code	US
Redirect Mmdb Info	result found
Redirect Mmdb Addr	216.73.217.2
Redirect Unique Id	aGhEq7ay51enxKZ-fTFHpAAAANI
Redirect Redirect Status	200
Redirect Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Redirect X Dostranslated Ip	216.73.217.2
Redirect Redirect Mm Country Code	US
Redirect Redirect Mmdb Info	result found
Redirect Redirect Mmdb Addr	216.73.217.2
Redirect Redirect Unique Id	aGhEq7ay51enxKZ-fTFHpAAAANI
Fcgi Role	RESPONDER
Php Self	/jvn/app/webroot/index.php
Request Time Float	1751663787.9608
Request Time	1751663787

====

Include
+
Included Files

Include Paths
- 0/virtual/inogo77/public_html/jvn/lib
- 2/opt/remi/php56/root/usr/share/pear
- 3/opt/remi/php56/root/usr/share/php
- 4/usr/share/pear
- 5/usr/share/php
- 6-> /virtual/inogo77/public_html/jvn/lib/Cake/
Included Files
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  1CORE/Cache/Engine/FileEngine.php
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  1CORE/Model/Datasource/Database/Mysql.php
  2CORE/Model/Datasource/DboSource.php
  3CORE/Model/Datasource/DataSource.php
  Error(array)
  0CORE/Error/exceptions.php
  1CORE/Error/ErrorHandler.php
  I18n(array)
  0CORE/I18n/I18n.php
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  8CORE/Core/Object.php
  Routing(array)
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  5CORE/Utility/ClassRegistry.php
  View(array)
  0CORE/View/HelperCollection.php
- app(array)
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  Config(array)
  0APP/Config/core.php
  1APP/Config/bootstrap.php
  2APP/Config/routes.php
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  Controller(array)
  0APP/Controller/JvninfosController.php
  1APP/Controller/AppController.php
  Model(array)
  0APP/Model/Jvninfo.php
  1APP/Model/AppModel.php
  2APP/Model/Cveinfo.php
  3APP/Model/Nvdinfo.php
  4APP/Model/Nessuslog.php
  Other(array)
  0APP/webroot/index.php
- plugins(array)
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  4DebugKit/Lib/Panel/RequestPanel.php
  5DebugKit/Lib/Panel/SqlLogPanel.php
  6DebugKit/Lib/Panel/TimerPanel.php
  7DebugKit/Lib/Panel/LogPanel.php
  8DebugKit/Lib/Panel/VariablesPanel.php
  9DebugKit/Lib/Panel/EnvironmentPanel.php
  10DebugKit/Lib/Panel/IncludePanel.php
  11DebugKit/Lib/DebugTimer.php
  Log(array)
  0DebugKit/Lib/Log/Engine/DebugKitLog.php
====

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