JVN/CVE Demo: Cveinfos

CVE

Id: 96762
CVE No.: CVE-2016-9942
Status: Candidate
Description: Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.
Phase: Assigned (20161213)
Votes: None (candidate not yet proposed)
Comments

Actions

Related CVE References

Id	CVE Id	CVE No.	Reference	Actions
801648	96762	CVE-2016-9942	CONFIRM:https://github.com/LibVNC/libvncserver/pull/137	View
801649	96762	CVE-2016-9942	CONFIRM:https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11	View
801650	96762	CVE-2016-9942	DEBIAN:DSA-3753	View
801651	96762	CVE-2016-9942	URL:http://www.debian.org/security/2017/dsa-3753	View
801652	96762	CVE-2016-9942	BID:95170	View

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

Cake Params
- plugin(null)
- controllercveinfos
- actionview
- named(empty)
- pass(array)
  096762
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	1.39 MB
Controller action start	1.49 MB
Controller render start	2.24 MB
View render complete	2.64 MB

Timers

Total Request Time: 446 (ms)

Message	Time in ms	Graph
Core Processing (Derived from $_SERVER["REQUEST_TIME"])	3.48
Event: Controller.initialize	0.02
Event: Controller.startup	0.08
Controller action	430.36
Event: Controller.beforeRender	3.98
» Processing toolbar data	3.88
Rendering View	3.70
» Event: View.beforeRender	0.02
» Rendering APP/View/Cveinfos/view.ctp	2.66
» Event: View.afterRender	0.02
» Event: View.beforeLayout	0.02
» Rendering APP/View/Layouts/default.ctp	0.58
» » Rendering CORE/Cake/View/Elements/sql_dump.ctp	0.12
Event: View.afterLayout	0.00

====

Log
+

Logs

There were no log entries made this request

====
Variables
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View Variables
- cveinfo(array)
  Cveinfo(array)
  id96762
  nameCVE-2016-9942
  statusCandidate
  descriptionHeap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.
  phaseAssigned (20161213)
  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)
  id801648
  cveinfo_id96762
  name(null)
  cveinfo_nameCVE-2016-9942
  referenceCONFIRM:https://github.com/LibVNC/libvncserver/pull/137
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  1(array)
  id801649
  cveinfo_id96762
  name(null)
  cveinfo_nameCVE-2016-9942
  referenceCONFIRM:https://github.com/LibVNC/libvncserver/releases/tag/LibVNCServer-0.9.11
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  2(array)
  id801650
  cveinfo_id96762
  name(null)
  cveinfo_nameCVE-2016-9942
  referenceDEBIAN:DSA-3753
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  3(array)
  id801651
  cveinfo_id96762
  name(null)
  cveinfo_nameCVE-2016-9942
  referenceURL:http://www.debian.org/security/2017/dsa-3753
  deleted(null)
  created0000-00-00 00:00:00
  modified0000-00-00 00:00:00
  4(array)
  id801652
  cveinfo_id96762
  name(null)
  cveinfo_nameCVE-2016-9942
  referenceBID:95170
  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/96762
Query String
Request Method	GET
Server Protocol	HTTP/1.1
Gateway Interface	CGI/1.1
Redirect Url	/jvn/app/webroot/cveinfos/view/96762
Remote Port	5095
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	216.73.216.66
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	10.3.85.41
Http Via	1.1 squid-proxy-5b5d847c96-hm7vw (squid/6.10)
Http Host	inogo77.s500.xrea.com
Http Accept Encoding	gzip, br, zstd, deflate
Http Cookie	advanced-frontend=kv4pbhkqv9kj0fcsovt5f2pht4
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
Suspectdos	1
X Dostranslated Ip	216.73.216.66
Mm Country Code	US
Mmdb Info	result found
Mmdb Addr	216.73.216.66
Unique Id	aHhuGU-ar2zD10j2LBmqlwAAAYw
Redirect Status	200
Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Suspectdos	1
Redirect X Dostranslated Ip	216.73.216.66
Redirect Mm Country Code	US
Redirect Mmdb Info	result found
Redirect Mmdb Addr	216.73.216.66
Redirect Unique Id	aHhuGU-ar2zD10j2LBmqlwAAAYw
Redirect Redirect Status	200
Redirect Redirect Gem Home	/usr/local/rvm/gems/ruby-2.3.0
Redirect Redirect Suspectdos	1
Redirect Redirect X Dostranslated Ip	216.73.216.66
Redirect Redirect Mm Country Code	US
Redirect Redirect Mmdb Info	result found
Redirect Redirect Mmdb Addr	216.73.216.66
Redirect Redirect Unique Id	aHhuGU-ar2zD10j2LBmqlwAAAYw
Fcgi Role	RESPONDER
Php Self	/jvn/app/webroot/index.php
Request Time Float	1752722969.7234
Request Time	1752722969

====

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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  Error(array)
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  1CORE/Error/ErrorHandler.php
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  Log(array)
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  5CORE/Utility/ClassRegistry.php
  View(array)
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- app(array)
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  Config(array)
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  Controller(array)
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  Model(array)
  0APP/Model/Cveinfo.php
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  3APP/Model/Jvninfo.php
  Other(array)
  0APP/webroot/index.php
- plugins(array)
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  Other(array)
  0DebugKit/Lib/DebugMemory.php
  1DebugKit/Lib/Panel/HistoryPanel.php
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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
====

CVE

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Session

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Query string

Cookie

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default

Memory

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Included Files