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Test ID:
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2008:0546

The remote host is missing updates announced in
advisory RHSA-2008:0546.

PHP is an HTML-embedded scripting language commonly used with the Apache
HTTP Web server.

It was discovered that the PHP escapeshellcmd() function did not properly
escape multi-byte characters which are not valid in the locale used by the
script. This could allow an attacker to bypass quoting restrictions imposed
by escapeshellcmd() and execute arbitrary commands if the PHP script was
using certain locales. Scripts using the default UTF-8 locale are not
affected by this issue. (CVE-2008-2051)

The PHP functions htmlentities() and htmlspecialchars() did not properly
recognize partial multi-byte sequences. Certain sequences of bytes could be
passed through these functions without being correctly HTML-escaped.
Depending on the browser being used, an attacker could use this flaw to
conduct cross-site scripting attacks. (CVE-2007-5898)

A PHP script which used the transparent session ID configuration option, or
which used the output_add_rewrite_var() function, could leak session
identifiers to external web sites. If a page included an HTML form with an
ACTION attribute referencing a non-local URL, the user's session ID would
be included in the form data passed to that URL. (CVE-2007-5899)

It was discovered that PHP did not properly seed its pseudo-random number
generator used by functions such as rand() and mt_rand(), possibly allowing
an attacker to easily predict the generated pseudo-random values.
(CVE-2008-2107, CVE-2008-2108)

Integer overflow and memory requirements miscalculation issues were
discovered in the Perl-Compatible Regular Expression (PCRE) library used by
PHP to process regular expressions. These issues could cause a crash, or
possibly execute an arbitrary code with the privileges of the PHP script
that processes regular expressions from untrusted sources. Note: PHP
packages shipped with Red Hat Enterprise Linux 2.1 did not use the
system-level PCRE library. By default they used an embedded copy of the
library included with the PHP package. (CVE-2006-7228, CVE-2007-1660)

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

Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

Risk factor : Critical

CVSS Score:

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2008-2051
BugTraq ID: 29009
Bugtraq: 20080523 rPSA-2008-0176-1 php php-cgi php-imap php-mcrypt php-mysql php-mysqli php-pgsql php-soap php-xsl php5 php5-cgi php5-imap php5-mcrypt php5-mysql php5-mysqli php5-pear php5-pgsql php5-soap php5-xsl (Google Search)
Bugtraq: 20080527 rPSA-2008-0178-1 php php-mysql php-pgsql (Google Search)
Debian Security Information: DSA-1572 (Google Search)
Debian Security Information: DSA-1578 (Google Search)
SuSE Security Announcement: SUSE-SR:2008:014 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2007-5898
Debian Security Information: DSA-1444 (Google Search)
HPdes Security Advisory: HPSBUX02332
HPdes Security Advisory: SSRT080056
SuSE Security Announcement: SUSE-SA:2008:004 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2007-5899
Common Vulnerability Exposure (CVE) ID: CVE-2006-7228
BugTraq ID: 26462
Bugtraq: 20080221 VMSA-2008-0003 Moderate: Updated aacraid driver and samba and python service console updates (Google Search)
Bugtraq: 20080416 VMSA-2008-0007 Moderate Updated Service Console packages pcre, net-snmp, and OpenPegasus (Google Search)
Debian Security Information: DSA-1570 (Google Search)
SuSE Security Announcement: SUSE-SA:2007:062 (Google Search)
Common Vulnerability Exposure (CVE) ID: CVE-2007-1660
BugTraq ID: 26346
Bugtraq: 20071106 rPSA-2007-0231-1 pcre (Google Search)
Bugtraq: 20071112 FLEA-2007-0064-1 pcre (Google Search)
Cert/CC Advisory: TA07-352A
Debian Security Information: DSA-1399 (Google Search)
SuSE Security Announcement: SUSE-SR:2007:025 (Google Search)
XForce ISS Database: pcre-character-class-dos(38273)
Common Vulnerability Exposure (CVE) ID: CVE-2008-2107
Bugtraq: 20080506 Advisory SE-2008-02: PHP GENERATE_SEED() Weak Random Number Seed Vulnerability (Google Search)
Debian Security Information: DSA-1789 (Google Search)
XForce ISS Database: php-generateseed-security-bypass(42284)
XForce ISS Database: php-generateseed-weak-security(42226)
Common Vulnerability Exposure (CVE) ID: CVE-2008-2108
CopyrightCopyright (c) 2008 E-Soft Inc.

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