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Application: Adobe Photoshop CS6 PNG Parsing Heap Overflow
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Platforms: Windows & Macintosh
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Versions: 13.x
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Secunia: SA49141
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{PRL}: 2012-27
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Author: Francis Provencher (Protek Research Lab's)
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Website: http://www.protekresearchlab.com/
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Twitter: @ProtekResearch
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1) Introduction
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2) Report Timeline
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3) Technical details
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4) POC
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#####################################################################################
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===============
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1) Introduction
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===============
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Adobe Photoshop is a graphics editing program developed and published by Adobe Systems Incorporated.
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Adobe's 2003 "Creative Suite" rebranding led to Adobe Photoshop 8's renaming to Adobe Photoshop CS.
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Thus, Adobe Photoshop CS6 is the 13th major release of Adobe Photoshop. The CS rebranding also resulted
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in Adobe offering numerous software packages containing multiple Adobe programs for a reduced price.
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Adobe Photoshop is released in two editions: Adobe Photoshop, and Adobe Photoshop Extended, with the
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Extended having extra 3D image creation, motion graphics editing, and advanced image analysis features.[6]
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Adobe Photoshop Extended is included in all of Adobe's Creative Suite offerings except Design Standard,
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which includes the Adobe Photoshop edition. Alongside Photoshop and Photoshop Extended, Adobe also
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publishes Photoshop Elements and Photoshop Lightroom, collectively called "The Adobe Photoshop Family".
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In 2008, Adobe released Adobe Photoshop Express, a free web-based image editing tool to edit photos directly
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on blogs and social networking sites; in 2011 a version was released for the Android operating system and the
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iOS operating system.[7][8] Adobe only supports Windows and Macintosh versions of Photoshop, but using Wine,
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Photoshop CS6 can run well on Linux
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(http://en.wikipedia.org/wiki/Adobe_Photoshop)
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#####################################################################################
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============================
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2) Report Timeline
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============================
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2012-05-10 Vulnerability reported to Secunia
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2012-08-31 Publication of this advisory
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#####################################################################################
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============================
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3) Technical details
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============================
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The vulnerability is caused due to a boundary error in the "Standart MultiPlugin.8BF" module
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when processing a Portable Network Graphics (PNG) image. This can be exploited to cause
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a heap-based buffer overflow via a specially crafted "tRNS" chunk size. Successful exploitation
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may allow execution of arbitrary code, but requires tricking a user into opening a malicious image.
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#####################################################################################
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===========
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4) POC
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===========
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http://www.protekresearchlab.com/exploits/PRL-2012-27.png
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https://gitlab.com/exploit-database/exploitdb-bin-sploits/-/raw/main/bin-sploits/20971.png |