X11 libx11 Integer Overflow Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1017864
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SecurityTracker URL: http://securitytracker.com/id?1017864
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CVE Reference: CVE-2007-1667
(Links to External Site)
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Date: Apr 4 2007
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Impact: Denial of service via network
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Fix Available: Yes
Vendor Confirmed: Yes
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Version(s): prior to 1.0.3
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Description: A vulnerability was reported in libx11. A remote user can cause denial of service conditions.
A remote user can create a specially crafted image that, when processed by the target application, will trigger an integer overflow in XGetPixel() and cause the target application to crash.
This was reported in a Debian bug report.
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Impact: A remote user can cause denial of service conditions.
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Solution: The vendor has reportedly issued a source code fix.
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Vendor URL: www.x.org/ (Links to External Site)
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Cause: Access control 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, 3 Apr 2007 21:56:41 -0400
Subject: ImageMagick
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CVE-2007-1667
CVE wrote:
Multiple integer overflows in (1) the XGetPixel function in ImUtil.c in x.org libx11
before 1.0.3, and (2) XInitImage function in xwd.c for ImageMagick, allow user-assisted
remote attackers to cause a denial of service (crash) or information leak via crafted
images with large or negative values that trigger a buffer overflow.
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