Test ID:	1.3.6.1.4.1.25623.1.0.50827
Category:	Mandrake Local Security Checks
Title:	Mandrake Security Advisory MDKSA-2002:049 (libpng)
Summary:	NOSUMMARY
Description:	Description: The remote host is missing an update to libpng announced via advisory MDKSA-2002:049. A buffer overflow was found in the in the progressive reader of the PNG library when the PNG datastream contains more IDAT data than indicated by the IHDR chunk. These deliberately malformed datastreams would crash applications thus potentially allowing an attacker to execute malicious code. Many programs make use of the PNG libraries, including web browsers. This overflow is corrected in versions 1.0.14 and 1.2.4 of the PNG library. In order to have the system utilize the upgraded packages after the upgrade, you must restart all running applications that are linked to libpng. You can obtain this list by executing lsof piped to grep libpng or fuser -v /usr/lib/libpng.so. Affected versions: 7.1, 7.2, 8.0, 8.1, 8.2, Corporate Server 1.0.1, Single Network Firewall 7.2 Solution: To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. http://www.securityspace.com/smysecure/catid.html?in=MDKSA-2002:049 Risk factor : High
Copyright	Copyright (c) 2005 E-Soft Inc. http://www.securityspace.com

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