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Vulnerability Assessment & Network Security Forums |
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If through a vulnerability assessment, a network security issue is detected for the vulnerability below, applying the appropriate security patches in a timely matter is very important. If you have detected that your system has already been compromised, following CERT's Network Security recovery document will assist with recommended steps for system recovery. Home >> Browse Vulnerability Assessment Database >> Debian Local Security Checks >> [DSA498] DSA-498-1 libpng Vulnerability Assessment Details
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[DSA498] DSA-498-1 libpng |
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DSA-498-1 libpng Detailed Explanation for this Vulnerability Assessment Steve Grubb discovered a problem in the Portable Network Graphics library libpng which is utilised in several applications. When processing a broken PNG image, the error handling routine will access memory that is out of bounds when creating an error message. Depending on machine architecture, bounds checking and other protective measures, this problem could cause the program to crash if a defective or intentionally prepared PNG image file is handled by libpng. This could be used as a denial of service attack against various programs that link against this library. The following commands will show you which packages utilise this library and whose programs should probably restarted after an upgrade: apt-cache showpkg libpng2 apt-cache showpkg libpng3 The following security matrix explains which package versions will contain a correction. We recommend that you upgrade your libpng and related packages. Solution : http://www.debian.org/security/2004/dsa-498 Network Security Threat Level: High Networks Security ID: 10244 Vulnerability Assessment Copyright: This script is (C) 2005 Michel Arboi |
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