Test ID:	1.3.6.1.4.1.25623.1.0.103333
Category:	Web Servers
Title:	Apache HTTP Server 'ap_pregsub()' Function Local Denial of Service Vulnerability
Summary:	Apache HTTP Server is prone to a local denial-of-service; vulnerability because of a NULL-pointer dereference error or a memory exhaustion.
Description:	Summary: Apache HTTP Server is prone to a local denial-of-service vulnerability because of a NULL-pointer dereference error or a memory exhaustion. Vulnerability Impact: Local attackers can exploit this issue to trigger a NULL-pointer dereference or memory exhaustion, and cause a server crash, denying service to legitimate users. Note: To trigger this issue, 'mod_setenvif' must be enabled and the attacker should be able to place a malicious '.htaccess' file on the affected webserver. Affected Software/OS: Apache HTTP Server 2.0.x through 2.0.64 and 2.2.x through 2.2.21 are vulnerable. Other versions may also be affected. Solution: Update to the most recent version of Apache HTTP Server. CVSS Score: 1.2 CVSS Vector: AV:L/AC:H/Au:N/C:N/I:N/A:P
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-4415 HPdes Security Advisory: HPSBMU02786 http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c03360041 HPdes Security Advisory: SSRT100877 http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/ http://www.halfdog.net/Security/2011/ApacheModSetEnvIfIntegerOverflow/DemoExploit.html
Copyright	Copyright (C) 2011 Greenbone Networks GmbH

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