JVN/CVE Demo: Jvninfos

JVN Info.

Id: 65102
Name: JVNDB-2017-001480
Title: Linux Kernel の arch/x86/kvm/emulate.c の load_segment_descriptor の実装におけるサービス運用妨害 (DoS) の脆弱性
Summary: Linux Kernel の arch/x86/kvm/emulate.c の load_segment_descriptor の実装は、"MOV SS, NULL selector" 命令を適切にエミュレートしないため、サービス運用妨害 (ゲスト OS クラッシュ) 状態にされる、またはゲスト OS 権限を取得される脆弱性が存在します。
Nvdinfo: CVE-2017-2583
Cvssv2: 4.6
Jvnurl: http://jvndb.jvn.jp/ja/contents/2017/JVNDB-2017-001480.html
Published Date: 2017-01-20
Registered Date: 2017-02-23
Last Updated Date: 2017-02-23

Actions

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

Cake Params
- plugin(null)
- controllerjvninfos
- actionview
- named(empty)
- pass(array)
  065102
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 3.84 MB

Message	Memory use
Component initialization	1.37 MB
Controller action start	1.48 MB
Controller render start	2.33 MB
View render complete	2.68 MB

Timers

Total Request Time: 78 (ms)

Message	Time in ms	Graph
Core Processing (Derived from $_SERVER["REQUEST_TIME"])	4.84
Event: Controller.initialize	0.02
Event: Controller.startup	0.10
Controller action	61.23
Event: Controller.beforeRender	4.65
» Processing toolbar data	4.54
Rendering View	2.27
» Event: View.beforeRender	0.02
» Rendering APP/View/Jvninfos/view.ctp	1.06
» Event: View.afterRender	0.02
» Event: View.beforeLayout	0.02
» Rendering APP/View/Layouts/default.ctp	0.75
» » Rendering CORE/Cake/View/Elements/sql_dump.ctp	0.11
Event: View.afterLayout	0.00

====

Log
+

Logs

There were no log entries made this request

====
Variables
+
View Variables
- jvninfo(array)
  Jvninfo(array)
  id65102
  nameJVNDB-2017-001480
  titleLinux Kernel の arch/x86/kvm/emulate.c の load_segment_descriptor の実装におけるサービス運用妨害 (DoS) の脆弱性
  summaryLinux Kernel の arch/x86/kvm/emulate.c の load_segment_descriptor の実装は、"MOV SS, NULL selector" 命令を適切にエミュレートしないため、サービス運用妨害 (ゲスト OS クラッシュ) 状態にされる、またはゲスト OS 権限を取得される脆弱性が存在します。
  cveinfo_nameCVE-2017-2583
  cveinfo_id(null)
  nvdinfo_nameCVE-2017-2583
  nvdinfo_id81395
  cvssv24.6
  cvssv38.4
  jvnurlhttp://jvndb.jvn.jp/ja/contents/2017/JVNDB-2017-001480.html
  published_date2017-01-20
  registered_date2017-02-23
  last_updated_date2017-02-23
  deleted(null)
  created0000-00-00 00:00:00
  modified2017-03-01 11:15:05
  Cveinfo(array)
  id(null)
  name(null)
  status(null)
  description(null)
  phase(null)
  votes(null)
  comments(null)
  deleted(null)
  created(null)
  modified(null)
  Nvdinfo(array)
  id81395
  nameCVE-2017-2583
  descriptionThe load_segment_descriptor implementation in arch/x86/kvm/emulate.c in the Linux kernel before 4.9.5 improperly emulates a MOV SS, NULL selector instruction, which allows guest OS users to cause a denial of service (guest OS crash) or gain guest OS privileges via a crafted application.
  reject
  CVSS_version2
  CVSS_score4.6
  severityMedium
  CVSS_base_score4.6
  CVSS_impact_subscore6.4
  CVSS_exploit_subscore3.9
  nvd_xml_version
  CVSS_vector(AV:L/AC:L/Au:N/C:P/I:P/A:P)
  sourcecve
  pub_date2017-02-15
  published2017-02-06
  modified_date2017-02-09
  typeCVE
  seq2017-2583
  deleted0000-00-00 00:00:00
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  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/65102
Query String
Request Method	GET
Server Protocol	HTTP/1.1
Gateway Interface	CGI/1.1
Redirect Url	/jvn/app/webroot/jvninfos/view/65102
Remote Port	43866
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	18.225.92.18
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	18.225.92.18
Mm Country Code	US
Mmdb Info	result found
Mmdb Addr	18.225.92.18
Unique Id	aBdgh-2z_9fWtAumYvtGWAAAAQQ
Redirect Status	200
Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect X Dostranslated Ip	18.225.92.18
Redirect Mm Country Code	US
Redirect Mmdb Info	result found
Redirect Mmdb Addr	18.225.92.18
Redirect Unique Id	aBdgh-2z_9fWtAumYvtGWAAAAQQ
Redirect Redirect Status	200
Redirect Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Redirect X Dostranslated Ip	18.225.92.18
Redirect Redirect Mm Country Code	US
Redirect Redirect Mmdb Info	result found
Redirect Redirect Mmdb Addr	18.225.92.18
Redirect Redirect Unique Id	aBdgh-2z_9fWtAumYvtGWAAAAQQ
Fcgi Role	RESPONDER
Php Self	/jvn/app/webroot/index.php
Request Time Float	1746362503.6483
Request Time	1746362503

====

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/
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  1CORE/Cache/Engine/FileEngine.php
  2CORE/Cache/CacheEngine.php
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  3CORE/Model/Datasource/DataSource.php
  Error(array)
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  1CORE/Error/ErrorHandler.php
  I18n(array)
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  6CORE/Event/CakeEvent.php
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  Routing(array)
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  5CORE/Utility/ClassRegistry.php
  View(array)
  0CORE/View/HelperCollection.php
- app(array)
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  Config(array)
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  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
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  4APP/Model/Nessuslog.php
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  0APP/webroot/index.php
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  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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