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Insecure Library Loading
Moderately critical

Gimp Loader Plugins Integer Overflow Vulnerabilities

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Release Date:  2007-07-03    Last Update:  2007-08-16    Views:  14,914

Secunia Advisory SA25677

Where:

From remote

Impact:

System access

Solution Status:

Vendor Patch

Software:

CVE Reference(s):

Description


Some vulnerabilities have been reported in Gimp, which can be exploited by malicious people to compromise a user's system.

1) An integer overflow exists within the function "seek_to_and_unpack_pixeldata()" in plug-ins/common/psd.c. This can be exploited to cause a heap-based buffer overflow by tricking a user into opening a specially crafted PSD file with large width or height values.

2) Multiple integer overflows exist within the DICOM, PNM, PSD, PSP, Sun RAS, XBM, and XWD loader plugins. These can potentially be exploited to cause a heap-based buffer overflow by tricking a user into opening specially crafted image files.

Successful exploitation may allow execution of arbitrary code.

Vulnerability #1 is confirmed and vulnerability #2 is reported in version 2.2.15. Other versions may also be affected.

Note: Additionally, Victor Stinner has reported multiple crashes and problems within the BMP, PCX, PSD, and PSP loader plugins, of which some may have a security impact.


Solution:
Update to version 2.2.17.

Provided and/or discovered by:
1) Stefan Cornelius, Secunia Research.
2) Sean Larsson, iDefense Labs

Original Advisory:
Secunia Research:
http://secunia.com/secunia_research/2007-63/

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=551

gimp.org:
http://developer.gimp.org/NEWS-2.2
http://bugzilla.gnome.org/show_bug.cgi?id=453973
http://bugzilla.gnome.org/show_bug.cgi?id=451379

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: Gimp Loader Plugins Integer Overflow Vulnerabilities

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