(Sun Issues Fix) libpng PNG tRNS Chunk Processing Error Lets Remote Users Deny Service
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SecurityTracker Alert ID: 1018325 |
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SecurityTracker URL: http://securitytracker.com/id/1018325
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CVE Reference:
CVE-2007-2445
(Links to External Site)
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Updated: Feb 14 2008
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Original Entry Date: Jun 29 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): 0.90 through 1.2.16
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Description:
A vulnerability was reported in libpng. A remote user can cause denial of service conditions.
A remote user can create a PNG image with a specially crafted tRNS chunk that, when loaded by the target user, will cause the target application to crash.
The vendor indicates that it is not known whether arbitrary code execution is possible or not.
The vulnerability resides in 'pngrutil.c'.
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Impact:
A remote user can create a PNG image that, when loaded by the target user, will cause the target application to crash.
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Solution:
Sun has issued a fix.
SPARC Platform
* Solaris 10 with patch 137080-01 or later
x86 Platform
* Solaris 10 with patch 137081-01 or later
Sun is working on a fix for Solaris 8 and 9.
The Sun advisory is available at:
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200871-1
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Vendor URL: downloads.sourceforge.net/libpng/libpng-1.2.18-ADVISORY.txt (Links to External Site)
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Cause:
Access control error
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Underlying OS:
UNIX (Solaris - SunOS)
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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: Fri, 29 Jun 2007 00:11:03 -0400
Subject: libpng(3) Contains a Denial of Service (DoS) Vulnerability
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http://sunsolve.sun.com/search/document.do?assetkey=1-26-102987-1
CVE-2007-2445
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