The remote host is running Apple Mac OS X, but lacks Security Update 2006-001.

This security update contains fixes for the following applications :

apache_mod_php automount Bom Directory Services iChat IPSec LaunchServices LibSystem loginwindow Mail rsync Safari Syndication

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.

A flaw was found in the way PHP registers global variables during a file upload request. A remote attacker could submit a carefully crafted multipart/form-data POST request that would overwrite the $GLOBALS array, altering expected script behavior, and possibly leading to the execution of arbitrary PHP commands. Please note that this vulnerability only affects installations which have register_globals enabled in the PHP configuration file, which is not a default or recommended option. The Common Vulnerabilities and Exposures project assigned the name CVE-2005-3390 to this issue.

A flaw was found in the PHP parse_str() function. If a PHP script passes only one argument to the parse_str() function, and the script can be forced to abort execution during operation (for example due to the memory_limit setting), the register_globals may be enabled even if it is disabled in the PHP configuration file. This vulnerability only affects installations that have PHP scripts using the parse_str function in this way. (CVE-2005-3389)

A Cross-Site Scripting flaw was found in the phpinfo() function. If a victim can be tricked into following a malicious URL to a site with a page displaying the phpinfo() output, it may be possible to inject JavaScript or HTML content into the displayed page or steal data such as cookies. This vulnerability only affects installations which allow users to view the output of the phpinfo() function. As the phpinfo() function outputs a large amount of information about the current state of PHP, it should only be used during debugging or if protected by authentication. (CVE-2005-3388)

A denial of service flaw was found in the way PHP processes EXIF image data. It is possible for an attacker to cause PHP to crash by supplying carefully crafted EXIF image data. (CVE-2005-3353)

Users of PHP should upgrade to these updated packages, which contain backported patches that resolve these issues.

Several remote vulnerabilities have been discovered in PHP, a server-side, HTML-embedded scripting language, which may lead to the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems :

  - CVE-2005-3353     Tim Starling discovered that missing input sanitising in     the EXIF module could lead to denial of service.

  - CVE-2006-3017     Stefan Esser discovered a security-critical programming     error in the hashtable implementation of the internal     Zend engine.

  - CVE-2006-4482     It was discovered that str_repeat() and wordwrap()     functions perform insufficient checks for buffer     boundaries on 64 bit systems, which might lead to the     execution of arbitrary code.

  - CVE-2006-5465     Stefan Esser discovered a buffer overflow in the     htmlspecialchars() and htmlentities(), which might lead     to the execution of arbitrary code.

Eric Romang discovered a local Denial of Service vulnerability in the handling of the 'session.save_path' parameter in PHP's Apache 2.0 module. By setting this parameter to an invalid value in an .htaccess file, a local user could crash the Apache server. (CVE-2005-3319)

A Denial of Service flaw was found in the EXIF module. By sending an image with specially crafted EXIF data to a PHP program that automatically evaluates them (e. g. a web gallery), a remote attacker could cause an infinite recursion in the PHP interpreter, which caused the web server to crash. (CVE-2005-3353)

Stefan Esser reported a Cross Site Scripting vulnerability in the phpinfo() function. By tricking a user into retrieving a specially crafted URL to a PHP page that exposes phpinfo(), a remote attacker could inject arbitrary HTML or web script into the output page and possibly steal private data like cookies or session identifiers.
(CVE-2005-3388)

Stefan Esser discovered a vulnerability of the parse_str() function when it is called with just one argument. By calling such programs with specially crafted parameters, a remote attacker could enable the 'register_globals' option which is normally turned off for security reasons. Once this option is enabled, the remote attacker could exploit other security flaws of PHP programs which are normally protected by 'register_globals' being deactivated. (CVE-2005-3389)

Stefan Esser discovered that a remote attacker could overwrite the $GLOBALS array in PHP programs that allow file uploads and run with 'register_globals' enabled. Depending on the particular application, this can lead to unexpected vulnerabilities. (CVE-2005-3390)

The 'gd' image processing and cURL modules did not properly check processed file names against the 'open_basedir' and 'safe_mode' restrictions, which could be exploited to circumvent these limitations. (CVE-2005-3391)

Another bypass of the 'open_basedir' and 'safe_mode' restrictions was found in virtual() function. A local attacker could exploit this to circumvent these restrictions with specially crafted PHP INI files when virtual Apache 2.0 hosts are used. (CVE-2005-3392)

The mb_send_mail() function did not properly check its arguments for invalid embedded line breaks. By setting the 'To:' field of an email to a specially crafted value in a PHP web mail application, a remote attacker could inject arbitrary headers into the sent email.
(CVE-2005-3883).

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

A number of vulnerabilities were discovered in PHP :

An issue with fopen_wrappers.c would not properly restrict access to other directories when the open_basedir directive included a trailing slash (CVE-2005-3054); this issue does not affect Corporate Server 2.1.

An issue with the apache2handler SAPI in mod_php could allow an attacker to cause a Denial of Service via the session.save_path option in an .htaccess file or VirtualHost stanza (CVE-2005-3319); this issue does not affect Corporate Server 2.1.

A Denial of Service vulnerability was discovered in the way that PHP processes EXIF image data which could allow an attacker to cause PHP to crash by supplying carefully crafted EXIF image data (CVE-2005-3353).

A cross-site scripting vulnerability was discovered in the phpinfo() function which could allow for the injection of JavaScript or HTML content onto a page displaying phpinfo() output, or to steal data such as cookies (CVE-2005-3388).

A flaw in the parse_str() function could allow for the enabling of register_globals, even if it was disabled in the PHP configuration file (CVE-2005-3389).

A vulnerability in the way that PHP registers global variables during a file upload request could allow a remote attacker to overwrite the $GLOBALS array which could potentially lead the execution of arbitrary PHP commands. This vulnerability only affects systems with register_globals enabled (CVE-2005-3390).

The updated packages have been patched to address this issue. Once the new packages have been installed, you will need to restart your Apache server using 'service httpd restart' in order for the new packages to take effect ('service httpd2-naat restart' for MNF2).

The remote host is running a version of PHP that is older than 5.0.6. This version has a flaw where remote attackers can reenable the 'register_globals' parameter.  In addition, a remote attacker may be able to overwrite the 'GLOBAL' variable.  This may lead to another more serious exploitation.

ID	Name	Product	Family	Published	Updated	Severity
20990	Mac OS X Multiple Vulnerabilities (Security Update 2006-001)	Nessus	MacOS X Local Security Checks	3/2/2006	7/14/2018	high
21871	CentOS 3 / 4 : php (CESA-2005:831)	Nessus	CentOS Local Security Checks	7/3/2006	1/4/2021	high
23655	Debian DSA-1206-1 : php4 - several vulnerabilities	Nessus	Debian Local Security Checks	11/20/2006	1/4/2021	high
20206	RHEL 3 / 4 : php (RHSA-2005:831)	Nessus	Red Hat Local Security Checks	11/15/2005	1/14/2021	high
20776	Ubuntu 4.10 / 5.04 / 5.10 : php4, php5 vulnerabilities (USN-232-1)	Nessus	Ubuntu Local Security Checks	1/21/2006	1/19/2021	high
20445	Mandrake Linux Security Advisory : php (MDKSA-2005:213)	Nessus	Mandriva Local Security Checks	1/15/2006	1/6/2021	high
801113	PHP < 5.0.6 GLOBAL Variable Overwrite	Log Correlation Engine	Web Servers			high

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