8313 : libpng png_handle_iCCP() Function NULL Pointer Dereference DoS
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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 local overflow exists in libpng. The library function png_handle_iCCP fails to validate the input length from PNG files resulting in a possible NULL-pointer being referenced. With a specially crafted request, an attacker can cause denial of service which might result in a loss of availability for the application.

Classification

 Location: Local Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

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
Microsoft Corporation
Watch-list
MSN Messenger
Watch-list
 6.1
6.2
5.0

References

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Snort

 2673

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

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