OSVDB ID: 8316

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

Info

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

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

libpng

 1.0.15
1.2.5

ImageMagick Studio LLC

ImageMagick

 6.0.0-2

GraphicsMagick Group

GraphicsMagick

 1.1.2

References

Credit
  • Chris Evans - chrisscary.beasts.org -


Direct URL: http://osvdb.org/8316