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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 package
Detailed Explanation for this Vulnerability Assessment
The remote host is missing the patch for the advisory FEDORA-2007-261 (php).
PHP is an HTML-embedded scripting language. PHP attempts to make it
easy for developers to write dynamically generated webpages. PHP also
offers built-in database integration for several commercial and
non-commercial database management systems, so writing a
database-enabled webpage with PHP is fairly simple. The most common
use of PHP coding is probably as a replacement for CGI scripts.
The php package contains the module which adds support for the PHP
language to Apache HTTP Server.
This update fixes a number of security issues in PHP.
A number of buffer overflow flaws were found in the PHP
session extension, the str_replace() function, and the
imap_mail_compose() function. If very long strings under
the control of a possible hacker are passed to the str_replace()
function then an integer overflow could occur in memory
allocation. If a script uses the imap_mail_compose()
function to create a new MIME message based on an input body
from an untrusted source, it could result in a heap
overflow. A possible hacker who is able to access a PHP
application affected by any these issues could trigger these
flaws and possibly execute arbitrary code as the 'apache'
If unserializing untrusted data on 64-bit platforms, the
zend_hash_init() function can be forced to enter an infinite
loop, consuming CPU resources for a limited length of time,
until the script timeout alarm aborts execution of the
If the wddx extension is used to import WDDX data from an
untrusted source, certain WDDX input packets may permit a
random portion of heap memory to be exposed. (CVE-2007-0908)
If the odbc_result_all() function is used to display data
from a database, and the contents of the database table are
under the control of a possible hacker, a format string
vulnerability is possible which could lead to the execution
of arbitrary code. (CVE-2007-0909)
A one byte memory read will always occur before the
beginning of a buffer, which could be triggered for example
by any use of the header() function in a script. However it
is unlikely that this would have any effect. (CVE-2007-0907)
Several flaws in PHP could permits attackers to 'clobber'
certain super-global variables via unspecified vectors.
The Fedora Project would like to thank Stefan Esser for his
help diagnosing these issues.
Solution : Get the newest Fedora Updates
Network Security Threat Level: High
Networks Security ID:
Vulnerability Assessment Copyright: This script is Copyright (C) 2007 Tenable Network Security
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