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This script is Copyright (C) 2006-2014 Tenable Network Security, Inc.
The remote Red Hat host is missing one or more security updates.
Updated Apache httpd packages that correct security issues and resolve
bugs are now available for Red Hat Enterprise Linux 3 and 4.
This update has been rated as having moderate security impact by the
Red Hat Security Response Team.
The Apache HTTP Server is a popular Web server available for free.
A bug was found in Apache where an invalid Expect header sent to the
server was returned to the user in an unescaped error message. This
could allow an attacker to perform a cross-site scripting attack if a
victim was tricked into connecting to a site and sending a carefully
crafted Expect header. (CVE-2006-3918)
While a web browser cannot be forced to send an arbitrary Expect
header by a third-party attacker, it was recently discovered that
certain versions of the Flash plugin can manipulate request headers.
If users running such versions can be persuaded to load a web page
with a malicious Flash applet, a cross-site scripting attack against
the server may be possible.
On Red Hat Enterprise Linux 3 and 4 systems, due to an unrelated issue
in the handling of malformed Expect headers, the page produced by the
cross-site scripting attack will only be returned after a timeout
expires (2-5 minutes by default) if not first canceled by the user.
Users of httpd should update to these erratum packages, which contain
a backported patch to correct these issues.
See also :
Update the affected packages.
Risk factor :
Medium / CVSS Base Score : 4.3
CVSS Temporal Score : 3.7
Public Exploit Available : true
Family: Red Hat Local Security Checks
Nessus Plugin ID: 22224 ()
Bugtraq ID: 19661
CVE ID: CVE-2006-3918
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