8316 : libpng pngrutil.c Multiple Function Progressive Display Image Reading Overflow
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Info

Last Modified
9 months ago

Percent Complete
100%

Disclosure
Aug 04, 2004

Discovery
Unknown

Dates

Exploit
Unknown

Solution
Unknown

Description

 A potential local integer overflow exists in libpng. The library function png_push_read_chunk contains code that might be susceptible to integer overflows. It is currently unknown how dangerous this code might be. With a specially crafted request, an attacker might cause crashes or execution of code resulting in a loss of availability.

Classification

 Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Confidentiality, Loss of Integrity
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Technical

 According to the vulnerability discoverer, the severity of issue is unknown. Might be difficult to exploit, if at all.

Solution

 Upgrade to version 1.2.6 release candidate 1 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds. Users of the older 1.0 series should upgrade to libpng-1.0.16 release candidate 1 or higher.

Products
PNG Development Group
Watch-list
libpng
Watch-list
 1.2.5
1.0.15
ImageMagick Studio LLC
Watch-list
ImageMagick
Watch-list
 6.0.0-2
GraphicsMagick Group
Watch-list
GraphicsMagick
Watch-list
 1.1.2

References

Tools & Filters

Nessus

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Credit
  • Chris Evans - chrisBrand New Doo Dooscary.beasts.org -

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