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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.
Vulnerability Assessment Details
Check for the version of the php packages
Detailed Explanation for this Vulnerability Assessment
Updated PHP packages that fix multiple security issues 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.
PHP is an HTML-embedded scripting language commonly used with the Apache
HTTP Web server.
The phpinfo() PHP function did not properly sanitize long strings. An
attacker could use this to perform cross-site scripting attacks against
sites that have publicly-available PHP scripts that call phpinfo().
The html_entity_decode() PHP function was found to not be binary safe. An
attacker could use this flaw to disclose a certain part of the memory. In
order for this issue to be exploitable the target site would need to have a
PHP script which called the "html_entity_decode()" function with untrusted
input from the user and displayed the result. (CVE-2006-1490)
The error handling output was found to not properly escape HTML output in
certain cases. A possible hacker could use this flaw to perform cross-site
scripting attacks against sites where both display_errors and html_errors
are enabled. (CVE-2006-0208)
An input validation error was found in the "mb_send_mail()" function. An
attacker could use this flaw to inject arbitrary headers in a mail sent via
a script calling the "mb_send_mail()" function where the "To" parameter can
be controlled by the attacker. (CVE-2005-3883)
A buffer overflow flaw was discovered in uw-imap, the University of
Washington's IMAP Server. php-imap is compiled against the static c-client
libraries from imap and therefore needed to be recompiled against the fixed
version. This issue only affected Red Hat Enterprise Linux 3.
Users of PHP should upgrade to these updated packages, which contain
backported patches that resolve these issues.
Solution : http://rhn.redhat.com/errata/RHSA-2006-0276.html
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2006 Tenable Network Security
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