(NetBSD Issues Fix) libXfont Heap Overflow in LZW Decompresser Lets Remote Users Execute Arbitrary Code
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SecurityTracker Alert ID: 1026089 |
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SecurityTracker URL: http://securitytracker.com/id/1026089
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CVE Reference:
CVE-2011-2895
(Links to External Site)
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Date: Sep 22 2011
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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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Version(s): prior to 1.4.4
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Description:
A vulnerability was reported in libXfont. A remote user can cause arbitrary code to be executed on the target user's system.
A remote user can create a specially crafted LZW stream that, when processed by the target user or application, will trigger a heap overflow in the LZW decompresser and execute arbitrary code on the target system. The code will run with the privileges of the target user or application.
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Impact:
A remote user can create a file that, when processed by the target user or application, will execute arbitrary code on the target system.
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Solution:
NetBSD has issued a fix.
The NetBSD advisory is available at:
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-007.txt.asc
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Vendor URL: lists.freedesktop.org/archives/xorg-announce/2011-August/001721.html (Links to External Site)
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Cause:
Boundary error
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Underlying OS:
UNIX (NetBSD)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Thu, 22 Sep 2011 14:57:01 +0000
Subject: NetBSD
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http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2011-007.txt.asc
CVE-2011-2895
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