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FreeBSD Ports: png
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update to the system as announced in the referenced advisory.
Insight
Insight
The following package is affected: png CVE-2010-0205 The png_decompress_chunk function in pngrutil.c in libpng 1.0.x before 1.0.53, 1.2.x before 1.2.43, and 1.4.x before 1.4.1 does not properly handle compressed ancillary-chunk data that has a disproportionately large uncompressed representation, which allows remote attackers to cause a denial of service (memory and CPU consumption, and application hang) via a crafted PNG file, as demonstrated by use of the deflate compression method on data composed of many occurrences of the same character, related to a 'decompression bomb' attack.
Solution
Solution
Update your system with the appropriate patches or software upgrades. http://libpng.sourceforge.net/ADVISORY-1.4.1.html http://secunia.com/advisories/38774 http://xforce.iss.net/xforce/xfdb/56661 http://www.vuxml.org/freebsd/4fb5d2cd-4c77-11df-83fb-0015587e2cc1.html