JVN/CVE Demo: Cveinfos

CVE

Id: 96741
CVE No.: CVE-2016-9921
Status: Candidate
Description: Quick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.
Phase: Assigned (20161208)
Votes: None (candidate not yet proposed)
Comments

Actions

Related CVE References

Id	CVE Id	CVE No.	Reference	Actions
801554	96741	CVE-2016-9921	MLIST:[oss-security] 20161209 Re: CVE request Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy	View
801555	96741	CVE-2016-9921	URL:http://www.openwall.com/lists/oss-security/2016/12/09/1	View
801556	96741	CVE-2016-9921	BID:94803	View

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

Cake Params
- plugin(null)
- controllercveinfos
- actionview
- named(empty)
- pass(array)
  096741
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
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Sql Logs

default
No query logs.

====

Timer

Memory

Peak Memory Use 3.85 MB

Message	Memory use
Component initialization	1.39 MB
Controller action start	1.49 MB
Controller render start	2.26 MB
View render complete	2.66 MB

Timers

Total Request Time: 470 (ms)

Message	Time in ms	Graph
Core Processing (Derived from $_SERVER["REQUEST_TIME"])	2.68
Event: Controller.initialize	0.02
Event: Controller.startup	0.06
Controller action	454.28
Event: Controller.beforeRender	4.89
» Processing toolbar data	4.79
Rendering View	3.36
» Event: View.beforeRender	0.02
» Rendering APP/View/Cveinfos/view.ctp	2.21
» Event: View.afterRender	0.02
» Event: View.beforeLayout	0.02
» Rendering APP/View/Layouts/default.ctp	0.73
» » 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
- cveinfo(array)
  Cveinfo(array)
  id96741
  nameCVE-2016-9921
  statusCandidate
  descriptionQuick emulator (Qemu) built with the Cirrus CLGD 54xx VGA Emulator support is vulnerable to a divide by zero issue. It could occur while copying VGA data when cirrus graphics mode was set to be VGA. A privileged user inside guest could use this flaw to crash the Qemu process instance on the host, resulting in DoS.
  phaseAssigned (20161208)
  votesNone (candidate not yet proposed)
  comments(null)
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  Cveref(array)
  0(array)
  id801554
  cveinfo_id96741
  name(null)
  cveinfo_nameCVE-2016-9921
  referenceMLIST:[oss-security] 20161209 Re: CVE request Qemu: display: cirrus_vga: a divide by zero in cirrus_do_copy
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  1(array)
  id801555
  cveinfo_id96741
  name(null)
  cveinfo_nameCVE-2016-9921
  referenceURL:http://www.openwall.com/lists/oss-security/2016/12/09/1
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  2(array)
  id801556
  cveinfo_id96741
  name(null)
  cveinfo_nameCVE-2016-9921
  referenceBID:94803
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  Jvninfo(empty)
- $request->data(empty)
- $this->validationErrors(array)
  Cveinfo(empty)
  Cveref(empty)
  Jvninfo(empty)
- Loaded Helpers(array)
  0Number
  1SimpleGraph
  2DebugTimer
  3Toolbar
  4Html
  5Form
  6Text
  7Session
  8HtmlToolbar
====

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/cveinfos/view/96741
Query String
Request Method	GET
Server Protocol	HTTP/1.1
Gateway Interface	CGI/1.1
Redirect Url	/jvn/app/webroot/cveinfos/view/96741
Remote Port	28214
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	216.73.216.173
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	10.3.25.50
Http Via	1.1 squid-proxy-5b5d847c96-mtcd4 (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
Suspectharddos	1
Suspectdos	1
X Dostranslated Ip	216.73.216.173
Mm Country Code	US
Mmdb Info	result found
Mmdb Addr	216.73.216.173
Unique Id	aMJNeRzGz6qftu0egQ_MtwAAARc
Redirect Status	200
Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Suspectharddos	1
Redirect Suspectdos	1
Redirect X Dostranslated Ip	216.73.216.173
Redirect Mm Country Code	US
Redirect Mmdb Info	result found
Redirect Mmdb Addr	216.73.216.173
Redirect Unique Id	aMJNeRzGz6qftu0egQ_MtwAAARc
Redirect Redirect Status	200
Redirect Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Redirect Suspectharddos	1
Redirect Redirect Suspectdos	1
Redirect Redirect X Dostranslated Ip	216.73.216.173
Redirect Redirect Mm Country Code	US
Redirect Redirect Mmdb Info	result found
Redirect Redirect Mmdb Addr	216.73.216.173
Redirect Redirect Unique Id	aMJNeRzGz6qftu0egQ_MtwAAARc
Fcgi Role	RESPONDER
Php Self	/jvn/app/webroot/index.php
Request Time Float	1757564281.8609
Request Time	1757564281

====

Include
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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
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  0APP/webroot/index.php
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  10DebugKit/Lib/Panel/IncludePanel.php
  11DebugKit/Lib/DebugTimer.php
  Log(array)
  0DebugKit/Lib/Log/Engine/DebugKitLog.php
====

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