8312 : libpng png_handle_sBIT() Local Overflow
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Timeline

Disclosure Date
2004-08-04

Description

libpng contains an overflow condition in the handling of PNG files. The issue is due to the 'png_handle_sBIT()' function not sanitizing user-supplied input. With a specially crafted PNG file, a context-dependent attacker can cause a buffer overflow to cause a denial of service or potentially execute arbitrary code.

Classification

Location: Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 1.2.6, or 1.0.16 or higher, as it has been reported to fix this vulnerability. In addition, the vendor has released a patch for some older versions.

Products

PNG Development Group
libpng
1.2.5
1.0.15
ImageMagick Studio LLC
ImageMagick
6.0.0-2
GraphicsMagick Group
GraphicsMagick
1.1.2
Microsoft Corporation
MSN Messenger
6.1
6.2
5.0

References

Tools & Filters

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Snort

2673

Credit

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2

Comments

No Comments.

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