8316 : libpng pngrutil.c Multiple Function Progressive Display Image Reading Overflow
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Views This Week Views All Time Added to OSVDB Last Modified Modified (since 2008) Percent Complete
12 851 over 7 years ago over 4 years ago 1 times 90%

Timeline

Disclosure Date
2004-08-04

Keywords

SCOSA-2005.49

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
1.0.15
1.2.5
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

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Credit

  • Chris Evans - chrisscary.beasts.org -

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_0 Integrity_impact_0 Availability_impact_1

Blogs

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

None found at this time

Comments

No Comments.

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