JVN/CVE Demo: Jvninfos

JVN Info.

Id: 3607
Name: JVNDB-2016-004380
Title: Linux Kernel の OverlayFS ファイルシステムの実装の fs/overlayfs/dir.c におけるサービス運用妨害 (DoS) の脆弱性
Summary: Linux Kernel の OverlayFS ファイルシステムの実装の fs/overlayfs/dir.c は、システムコールのリンク解除およびリネーム処理を進める前に、上位の dentry を適切に検証しないため、サービス運用妨害 (システムクラッシュ) 状態にされる脆弱性が存在します。
Nvdinfo: CVE-2016-6197
Cvssv2: 4.9
Jvnurl: http://jvndb.jvn.jp/ja/contents/2016/JVNDB-2016-004380.html
Published Date: 2016-03-21
Registered Date: 2016-08-18
Last Updated Date: 2016-11-16

Actions

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

Cake Params
- plugin(null)
- controllerjvninfos
- actionview
- named(empty)
- pass(array)
  03607
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/*
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Sql Log
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Sql Logs

default
No query logs.

====

Timer

Memory

Peak Memory Use 3.71 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: 62 (ms)

Message	Time in ms	Graph
Core Processing (Derived from $_SERVER["REQUEST_TIME"])	2.69
Event: Controller.initialize	0.02
Event: Controller.startup	0.06
Controller action	49.61
Event: Controller.beforeRender	4.33
» Processing toolbar data	4.25
Rendering View	1.63
» Event: View.beforeRender	0.02
» Rendering APP/View/Jvninfos/view.ctp	0.74
» Event: View.afterRender	0.02
» Event: View.beforeLayout	0.02
» Rendering APP/View/Layouts/default.ctp	0.48
» » Rendering CORE/Cake/View/Elements/sql_dump.ctp	0.08
Event: View.afterLayout	0.00

====

Log
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Logs

There were no log entries made this request

====
Variables
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View Variables
- jvninfo(array)
  Jvninfo(array)
  id3607
  nameJVNDB-2016-004380
  titleLinux Kernel の OverlayFS ファイルシステムの実装の fs/overlayfs/dir.c におけるサービス運用妨害 (DoS) の脆弱性
  summaryLinux Kernel の OverlayFS ファイルシステムの実装の fs/overlayfs/dir.c は、システムコールのリンク解除およびリネーム処理を進める前に、上位の dentry を適切に検証しないため、サービス運用妨害 (システムクラッシュ) 状態にされる脆弱性が存在します。
  cveinfo_nameCVE-2016-6197
  cveinfo_id92704
  nvdinfo_nameCVE-2016-6197
  nvdinfo_id21068
  cvssv24.9
  cvssv35.5
  jvnurlhttp://jvndb.jvn.jp/ja/contents/2016/JVNDB-2016-004380.html
  published_date2016-03-21
  registered_date2016-08-18
  last_updated_date2016-11-16
  deleted(null)
  created0000-00-00 00:00:00
  modified(null)
  Cveinfo(array)
  id92704
  nameCVE-2016-5884
  statusCandidate
  descriptionIBM iNotes is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
  phaseAssigned (20160629)
  votesNone (candidate not yet proposed)
  comments(null)
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  Nvdinfo(array)
  id21068
  nameCVE-2016-6197
  descriptionfs/overlayfs/dir.c in the OverlayFS filesystem implementation in the Linux kernel before 4.6 does not properly verify the upper dentry before proceeding with unlink and rename system-call processing, which allows local users to cause a denial of service (system crash) via a rename system call that specifies a self-hardlink.
  reject(null)
  CVSS_version2
  CVSS_score4.9
  severityMedium
  CVSS_base_score4.9
  CVSS_impact_subscore6.9
  CVSS_exploit_subscore3.9
  nvd_xml_version(null)
  CVSS_vector(AV:L/AC:L/Au:N/C:N/I:N/A:C)
  sourcecve
  pub_date2017-01-19
  published2016-08-06
  modified_date2016-11-28
  typeCVE
  seq2016-6197
  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
Http Connection	close
Script Name	/jvn/app/webroot/index.php
Request Uri	/jvn/jvninfos/view/3607
Query String
Request Method	GET
Server Protocol	HTTP/1.1
Gateway Interface	CGI/1.1
Redirect Url	/jvn/app/webroot/jvninfos/view/3607
Remote Port	11986
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	3.134.104.224
Server Port	80
Server Addr	160.251.151.205
Server Name	inogo77.s500.xrea.com
Server Software	Apache
Server Signature
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	3.134.104.224
Mm Country Code	US
Mmdb Info	result found
Mmdb Addr	3.134.104.224
Unique Id	aBZLi5OmwMirap8jnYGb-gAAAfc
Redirect Status	200
Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect X Dostranslated Ip	3.134.104.224
Redirect Mm Country Code	US
Redirect Mmdb Info	result found
Redirect Mmdb Addr	3.134.104.224
Redirect Unique Id	aBZLi5OmwMirap8jnYGb-gAAAfc
Redirect Redirect Status	200
Redirect Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Redirect X Dostranslated Ip	3.134.104.224
Redirect Redirect Mm Country Code	US
Redirect Redirect Mmdb Info	result found
Redirect Redirect Mmdb Addr	3.134.104.224
Redirect Redirect Unique Id	aBZLi5OmwMirap8jnYGb-gAAAfc
Fcgi Role	RESPONDER
Php Self	/jvn/app/webroot/index.php
Request Time Float	1746291595.4838
Request Time	1746291595

====

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
  2CORE/Cache/CacheEngine.php
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  2CORE/Controller/Component.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)
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  Log(array)
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  6CORE/Event/CakeEvent.php
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  8CORE/Core/Object.php
  Routing(array)
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  1CORE/Routing/Filter/AssetDispatcher.php
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  Utility(array)
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  3CORE/Utility/Debugger.php
  4CORE/Utility/String.php
  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
  3APP/Config/database.php
  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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  3DebugKit/Lib/Panel/SessionPanel.php
  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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