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GD Graphics Library Truncated PNG Data Denial of Service
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Secunia Advisory:
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SA25362
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Release Date:
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2007-05-22
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Popularity:
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5,078 views
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Critical:
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Less critical
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Impact:
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DoS
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Where:
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From remote
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Solution Status:
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Vendor Workaround
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| Software: | GD Graphics Library 2.x
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| CVE reference: | CVE-2007-2756
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Description:
Xavier Roche has reported a vulnerability in GD Graphics Library, which can be exploited by malicious people to cause a DoS (Denial of Service).
The vulnerability is caused due to the incorrect use of libpng within the function "gdPngReadData()" when processing truncated data. This can be exploited to cause an infinite loop by e.g. tricking an application using the library to process a specially crafted file.
The vulnerability is reported in version 2.0.34. Other versions may also be affected.
Solution:
Apply patch.
http://bugs.libgd.org/?getfile=118
Provided and/or discovered by:
Xavier Roche
Original Advisory:
http://bugs.libgd.org/?do=details&task_id=86
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Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
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