[ZendTo] Re: Question related to version of PHP in CentOS VM's :..
Duncan, Brian M.
brian.duncan at kattenlaw.com
Mon Aug 23 21:47:56 BST 2010
Thanks Jules,
I did not realize they back ported fixes for PHP.
Since Nessus displays information based on version banner, it is
probably a false positive then. (When advertising version in the
php.ini)
BRIAN M. DUNCAN
Data Security Administrator
Katten Muchin Rosenman LLP
525 W. Monroe Street / Chicago, IL 60661-3693
p / (312) 577-8045 f / (312) 577-4490
brian.duncan at kattenlaw.com / www.kattenlaw.com
________________________________
From: zendto-bounces at zend.to [mailto:zendto-bounces at zend.to] On Behalf
Of Julian Field
Sent: Monday, August 23, 2010 12:53 PM
To: ZendTo Users
Subject: [ZendTo] Re: Question related to version of PHP in CentOS VM's
:..
RedHat and hence CentOS back port security fixes, so the version number
is a poor indicator of security holes.
--
Jules
On 18 Aug 2010, at 07:47 PM, "Duncan, Brian M."
<brian.duncan at kattenlaw.com> wrote:
I've always shied away from using PHP with apache on externally
facing web sites in the past due to always seeing a constant flow of new
vulnerabilities.
Does anyone know if the version of PHP that is current according
to CentOS safe?
I ran a Nessus scan against my Zendto box and it is listing 6
"HIGH" security risks so far that are supposedly tied to PHP version. I
just noticed they all refer so far to using PHP 5.2.5 or later. Not
sure if any of these are false positives yet.
Here is some of the Nessus "HIGH" security scan listed output
for any interested:
PHP < 5.2.5 Multiple Vulnerabilities
Synopsis:
The remote web server uses a version of PHP that is affected by multiple
flaws.
Description:
According to its banner, the version of PHP installed on the remote host
is older than 5.2.5. Such versions may be affected by various issues,
including but not limited to several buffer overflows.
Risk factor:
High
CVSS Base Score:7.5
CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
See also:
http://www.php.net/releases/5_2_5.php
Solution:
Upgrade to PHP version 5.2.5 or later.
Plugin output:
PHP version 5.1.6 appears to be running on the remote host based on the
following X-Powered-By response header : X-Powered-By: PHP/5.1.6
Plugin ID:
28181 <http://www.nessus.org/plugins/index.php?view=single&id=28181>
CVE:
CVE-2007-4887, CVE-2007-5898, CVE-2007-5900
BID:
26403 <http://www.securityfocus.com/bid/26403>
Other references:
OSVDB:38680, OSVDB:38681, OSVDB:38682, OSVDB:38683, OSVDB:38684,
OSVDB:38685
PHP < 5.2.1 Multiple Vulnerabilities
Synopsis:
The remote web server uses a version of PHP that is affected by multiple
flaws.
Description:
According to its banner, the version of PHP installed on the remote host
is older than 5.2.1. Such versions may be affected by several issues,
including buffer overflows, format string vulnerabilities, arbitrary
code execution, 'safe_mode' and 'open_basedir' bypasses, and clobbering
of super-globals.
Risk factor:
High
CVSS Base Score:7.5
CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
See also:
http://www.php.net/releases/5_2_1.php
Solution:
Upgrade to PHP version 5.2.1 or later.
Plugin output:
PHP version 5.1.6 appears to be running on the remote host based on the
following X-Powered-By response header : X-Powered-By: PHP/5.1.6
Plugin ID:
24907 <http://www.nessus.org/plugins/index.php?view=single&id=24907>
CVE:
CVE-2006-6383, CVE-2007-0905, CVE-2007-0906, CVE-2007-0907,
CVE-2007-0908, CVE-2007-0909, CVE-2007-0910, CVE-2007-1376,
CVE-2007-1380, CVE-2007-1453, CVE-2007-1700, CVE-2007-1701,
CVE-2007-1824, CVE-2007-1825, CVE-2007-1884, CVE-2007-1885,
CVE-2007-1886, CVE-2007-1887, CVE-2007-1890
BID:
21508 <http://www.securityfocus.com/bid/21508> , 22496
<http://www.securityfocus.com/bid/22496> , 22805
<http://www.securityfocus.com/bid/22805> , 22806
<http://www.securityfocus.com/bid/22806> , 22862
<http://www.securityfocus.com/bid/22862> , 22922
<http://www.securityfocus.com/bid/22922> , 23119
<http://www.securityfocus.com/bid/23119> , 23120
<http://www.securityfocus.com/bid/23120> , 23219
<http://www.securityfocus.com/bid/23219> , 23233
<http://www.securityfocus.com/bid/23233> , 23234
<http://www.securityfocus.com/bid/23234> , 23235
<http://www.securityfocus.com/bid/23235> , 23236
<http://www.securityfocus.com/bid/23236> , 23237
<http://www.securityfocus.com/bid/23237> , 23238
<http://www.securityfocus.com/bid/23238>
Other references:
OSVDB:32763, OSVDB:32764, OSVDB:32765, OSVDB:32766, OSVDB:32767,
OSVDB:32768, OSVDB:32776, OSVDB:32781, OSVDB:33269, OSVDB:33933,
OSVDB:33944, OSVDB:33945, OSVDB:33955, OSVDB:33957, OSVDB:33958,
OSVDB:33959, OSVDB:33960, OSVDB:34767
PHP < 5.2.4 Multiple Vulnerabilities
Synopsis:
The remote web server uses a version of PHP that is affected by multiple
flaws.
Description:
According to its banner, the version of PHP installed on the remote host
is older than 5.2.4. Such versions may be affected by various issues,
including but not limited to several overflows.
Risk factor:
High
CVSS Base Score:7.5
CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
See also:
http://www.php.net/releases/5_2_4.php
Solution:
Upgrade to PHP version 5.2.4 or later.
Plugin output:
PHP version 5.1.6 appears to be running on the remote host based on the
following X-Powered-By response header : X-Powered-By: PHP/5.1.6
Plugin ID:
25971 <http://www.nessus.org/plugins/index.php?view=single&id=25971>
CVE:
CVE-2007-2872, CVE-2007-3378, CVE-2007-3806
BID:
24661 <http://www.securityfocus.com/bid/24661> , 24261
<http://www.securityfocus.com/bid/24261> , 24922
<http://www.securityfocus.com/bid/24922> , 25498
<http://www.securityfocus.com/bid/25498>
Other references:
OSVDB:36083, OSVDB:36085, OSVDB:36869
PHP < 5.2 Multiple Vulnerabilities
Synopsis:
The remote web server uses a version of PHP that is affected by multiple
buffer overflows.
Description:
According to its banner, the version of PHP installed on the remote host
is older than 5.2. Such versions may be affected by several buffer
overflows. To exploit these issues, an attacker would need the ability
to upload an arbitrary PHP script on the remote server, or to be able to
manipulate several variables processed by some PHP functions such as
htmlentities().
Risk factor:
High
CVSS Base Score:7.5
CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
See also:
http://www.php.net/releases/5_2_0.php
Solution:
Upgrade to PHP version 5.2.0 or later.
Plugin output:
PHP version 5.1.6 appears to be running on the remote host based on the
following X-Powered-By response header : X-Powered-By: PHP/5.1.6
Plugin ID:
31649 <http://www.nessus.org/plugins/index.php?view=single&id=31649>
CVE:
CVE-2006-5465
BID:
20879 <http://www.securityfocus.com/bid/20879>
Other references:
OSVDB:30178, OSVDB:30179
PHP 5 < 5.2.7 Multiple Vulnerabilities
Synopsis:
The remote web server uses a version of PHP that is affected by multiple
flaws.
Description:
According to its banner, the version of PHP installed on the remote host
is older than 5.2.7. Such versions may be affected by several security
issues : - File truncation can occur when calling 'dba_replace()' with
an invalid argument. - There is a buffer overflow in the bundled PCRE
library fixed by 7.8. (CVE-2008-2371) - A buffer overflow in the
'imageloadfont()' function in 'ext/gd/gd.c' can be triggered when a
specially crafted font is given. (CVE-2008-3658) - There is a buffer
overflow in PHP's internal function 'memnstr()', which is exposed to
userspace as 'explode()'. (CVE-2008-3659) - When used as a FastCGI
module, PHP segfaults when opening a file whose name contains two dots
(eg, 'file..php'). (CVE-2008-3660) - Multiple directory traversal
vulnerabilities in functions such as 'posix_access()', 'chdir()',
'ftok()' may allow a remote attacker to bypass 'safe_mode' restrictions.
(CVE-2008-2665 and CVE-2008-2666). - A buffer overflow may be triggered
when processing long message headers in 'php_imap.c' due to use of an
obsolete API call. (CVE-2008-2829) - A heap-based buffer overflow may be
triggered via a call to 'mb_check_encoding()', part of the 'mbstring'
extension. (CVE-2008-5557) - Missing initialization of 'BG(page_uid)'
and 'BG(page_gid)' when PHP is used as an Apache module may allow for
bypassing security restriction due to SAPI 'php_getuid()' overloading.
(CVE-2008-5624) - Incorrect 'php_value' order for Apache configuration
may allow bypassing PHP's 'safe_mode' setting. (CVE-2008-5625) - The
ZipArchive:extractTo() method in the ZipArchive extension fails to
filter directory traversal sequences from file names. (CVE-2008-5658)
Risk factor:
High
CVSS Base Score:7.5
CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
See also:
http://securityreason.com/achievement_securityalert/57
See also:
http://securityreason.com/achievement_securityalert/58
See also:
http://securityreason.com/achievement_securityalert/59
See also:
http://www.sektioneins.de/advisories/SE-2008-06.txt
See also:
http://archives.neohapsis.com/archives/fulldisclosure/2008-06/0238.html
See also:
http://archives.neohapsis.com/archives/fulldisclosure/2008-06/0239.html
See also:
http://www.openwall.com/lists/oss-security/2008/08/08/2
See also:
http://www.openwall.com/lists/oss-security/2008/08/13/8
See also:
http://archives.neohapsis.com/archives/fulldisclosure/2008-11/0433.html
See also:
http://archives.neohapsis.com/archives/fulldisclosure/2008-12/0089.html
See also:
http://bugs.php.net/bug.php?id=42862
See also:
http://bugs.php.net/bug.php?id=45151
See also:
http://bugs.php.net/bug.php?id=45722
See also:
http://www.php.net/releases/5_2_7.php
See also:
http://www.php.net/ChageLog-5.php#5.2.7
Solution:
Upgrade to PHP version 5.2.8 or later. Note that 5.2.7 was been removed
from distribution because of a regression in that version that results
in the 'magic_quotes_gpc' setting remaining off even if it was set to
on.
Plugin output:
PHP version 5.1.6 appears to be running on the remote host based on the
following X-Powered-By response header : X-Powered-By: PHP/5.1.6
Plugin ID:
35043 <http://www.nessus.org/plugins/index.php?view=single&id=35043>
CVE:
CVE-2008-2371, CVE-2008-2665, CVE-2008-2666, CVE-2008-2829,
CVE-2008-3658, CVE-2008-3659, CVE-2008-3660, CVE-2008-5557,
CVE-2008-5624, CVE-2008-5625, CVE-2008-5658
BID:
29796 <http://www.securityfocus.com/bid/29796> , 29797
<http://www.securityfocus.com/bid/29797> , 29829
<http://www.securityfocus.com/bid/29829> , 30087
<http://www.securityfocus.com/bid/30087> , 30649
<http://www.securityfocus.com/bid/30649> , 31612
<http://www.securityfocus.com/bid/31612> , 32383
<http://www.securityfocus.com/bid/32383> , 32625
<http://www.securityfocus.com/bid/32625> , 32688
<http://www.securityfocus.com/bid/32688> , 32948
<http://www.securityfocus.com/bid/32948>
Other references:
OSVDB:46584, OSVDB:46638, OSVDB:46639, OSVDB:46641, OSVDB:46690,
OSVDB:47796, OSVDB:47797, OSVDB:47798, OSVDB:50480, OSVDB:51477,
OSVDB:52205, OSVDB:52206, OSVDB:52207
PHP < 5.2.6 Multiple Vulnerabilities
Synopsis:
The remote web server uses a version of PHP that is affected by multiple
flaws.
Description:
According to its banner, the version of PHP installed on the remote host
is older than 5.2.6. Such versions may be affected by the following
issues : - A stack buffer overflow in FastCGI SAPI. - An integer
overflow in printf(). - An security issue arising from improper
calculation of the length of PATH_TRANSLATED in cgi_main.c. - A
safe_mode bypass in cURL. - Incomplete handling of multibyte chars
inside escapeshellcmd(). - Issues in the bundled PCRE fixed by version
7.6.
Risk factor:
High
CVSS Base Score:7.5
CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
See also:
http://archives.neohapsis.com/archives/bugtraq/2008-03/0321.html
See also:
http://archives.neohapsis.com/archives/fulldisclosure/2008-05/0103.html
See also:
http://archives.neohapsis.com/archives/fulldisclosure/2008-05/0107.html
See also:
http://www.php.net/releases/5_2_6.php
Solution:
Upgrade to PHP version 5.2.6 or later.
Plugin output:
PHP version 5.1.6 appears to be running on the remote host based on the
following X-Powered-By response header : X-Powered-By: PHP/5.1.6
Plugin ID:
32123 <http://www.nessus.org/plugins/index.php?view=single&id=32123>
CVE:
CVE-2007-4850, CVE-2008-0599, CVE-2008-1384, CVE-2008-2050,
CVE-2008-2051
BID:
27413 <http://www.securityfocus.com/bid/27413> , 28392
<http://www.securityfocus.com/bid/28392> , 29009
<http://www.securityfocus.com/bid/29009>
Other references:
OSVDB:43219, OSVDB:44057, OSVDB:44906, OSVDB:44907, OSVDB:44908,
Secunia:30048
BRIAN M. DUNCAN
Data Security Administrator
Katten Muchin Rosenman LLP
525 W. Monroe Street / Chicago, IL 60661-3693
p / (312) 577-8045 f / (312) 577-4490
brian.duncan at kattenlaw.com / <http://www.kattenlaw.com>
www.kattenlaw.com
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