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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 >> Denial of Service >> PHP Image File Format Denial Of Service Vulnerabilities Vulnerability Assessment Details
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PHP Image File Format Denial Of Service Vulnerabilities |
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Checks for image file format denial of service vulnerabilities in PHP Detailed Explanation for this Vulnerability Assessment Summary : The remote web server is prone to denial of service attacks. Description : According to its banner, the version of PHP installed on the remote host is vulnerable to a denial of service attack due to its failure to properly validate file data in the routines 'php_handle_iff' and 'php_handle_jpeg', which are called by the PHP function 'getimagesize'. Using a specially crafted image file, a possible hacker can trigger an infinite loop when 'getimagesize' is called, perhaps even remotely in the case image uploads are permited. See also : http://www.idefense.com/intelligence/vulnerabilities/display.php?id=222 http://www.securityfocus.com/archive/1/394797 http://www.php.net/release_4_3_11.php Solution : Upgrade to PHP 4.3.11 / 5.0.4 or later. Network Security Threat Level: Low / CVSS Base Score : 3 (AV:R/AC:H/Au:NR/C:N/A:C/I:N/B:N) Networks Security ID: 12962, 12963 Vulnerability Assessment Copyright: This script is Copyright (C) 2005-2006 Tenable Network Security |
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