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Insecure Library Loading
Moderately critical

GD Graphics Library Multiple Vulnerabilities

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Release Date:  2007-06-27    Last Update:  2007-09-11    Views:  13,984

Secunia Advisory SA25855

Where:

From remote

Impact:

DoS

Solution Status:

Vendor Patch

CVE Reference(s):

Description


Some vulnerabilities have been reported in the GD Graphics Library, which can potentially be exploited to cause a DoS (Denial of Service).

1) An integer overflow exists in the "gdImageCreateTrueColor()" function.

2) An error in the "gdImageCreateXbm()" function can potentially be exploited to cause a crash.

3) An error in the processing of GIF images with no global color map can potentially be exploited to cause a crash.

4) An error in gd_gif_in.c can be exploited to cause a heap corruption via an image file with an invalid color index in the image data.

5) An error in the imagearc and imagefilledarc functions can be exploited to consume large amounts of CPU resources via overly large start and end angle values.

6) A race-condition error in "gdImageStringFTEx()" in gdft.c can potentially be exploited to cause a crash.

Various issues in the GIF reader have also been reported as security related.


Solution:
Update to version 2.0.35.

Provided and/or discovered by:
Reported by the vendor.

Original Advisory:
http://www.libgd.org/ReleaseNote020035
http://bugs.libgd.org/?do=details&task_id=48
http://bugs.libgd.org/?do=details&task_id=70
http://bugs.libgd.org/?do=details&task_id=74
http://bugs.libgd.org/?do=details&task_id=87
http://bugs.libgd.org/?do=details&task_id=92

Deep Links:
Links available to Secunia VIM customers

Do you have additional information related to this advisory?

Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com

Subject: GD Graphics Library Multiple Vulnerabilities

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