LibXpm Integer Overflow in 'lib/scan.c' May Let Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1013339
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SecurityTracker URL: http://securitytracker.com/id?1013339
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CVE Reference: CAN-2005-0605
(Links to External Site)
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Date: Mar 1 2005
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Impact: Execution of arbitrary code via network, User access via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Description: An integer overflow vulnerability was reported in libXpm. A remote user may be able to cause arbitrary code to be executed.
The 'lib/scan.c' code does not properly validate user-supplied data contained in image files. A remote user can create a specially
crafted image file that, when processed by the target user or application, will trigger the overflow and execute arbitrary code.
Negative
values in the 'image->bitmap_unit' variable can trigger the overflow.
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Impact: A remote user can create an image that, when processed by libXpm, will execute arbitrary code on the target system.
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Solution: A patch is available at:
https://bugs.freedesktop.org/attachment.cgi?id=1909
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Vendor URL: www.x.org/ (Links to External Site)
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Cause: Boundary error
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Underlying OS: Linux (Any), UNIX (Any)
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Message History:
This archive entry has one or more follow-up message(s) listed below.
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Source Message Contents
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Date: Tue, 1 Mar 2005 15:59:31 -0500
Subject: http://bugs.freedesktop.org/show_bug.cgi?id=1920
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A vulnerability was reported in libXpm in the processing of images with certain
negative values.
A patch is available at:
https://bugs.freedesktop.org/attachment.cgi?id=1909
CVE: CAN-2005-0605
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