Kod programskog paketa php uočeni su i ispravljeni višestruki sigurnosni nedostaci koji zlonamjernim korisnicima omogućuju pristup osjetljivim podacima i njihovu izmjenu, pokretanje napada uskraćivanja usluge i izvršavanje proizvoljnog programskog koda.
Neki od nedostataka javljaju se zbog prepisivanja međuspremnika u radu funkcije "socket_connect()", dereferenciranja NULL pokazivača te neodgovarajućeg rukovanja pojedinim 8-bitnim znakovima.
Posljedica:
Udaljeni napadači mogu iskoristiti navedene nedostatke za pristup osjetljivim podacima i njihovu izmjenu, DoS napad i pokretanje proizvoljnog programskog koda.
Rješenje:
Savjetuje se primjena osvježenih paketa u kojima su spomenuti nedostaci uklonjeni.
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Fedora Update Notification
FEDORA-2011-11464
2011-08-24 22:43:46
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Name : php
Product : Fedora 16
Version : 5.3.8
Release : 1.fc16
URL : http://www.php.net/
Summary : PHP scripting language for creating dynamic web sites
Description :
PHP is an HTML-embedded scripting language. PHP attempts to make it
easy for developers to write dynamically generated web pages. 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.
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Update Information:
Security Enhancements and Fixes:
* Updated crypt_blowfish to 1.2. (CVE-2011-2483)
* Fixed crash in error_log(). Reported by Mateusz Kocielski
* Fixed buffer overflow on overlog salt in crypt().
* Fixed bug #54939 (File path injection vulnerability in RFC1867 File upload
filename). Reported by Krzysztof Kotowicz. (CVE-2011-2202)
* Fixed stack buffer overflow in socket_connect(). (CVE-2011-1938)
* Fixed bug #54238 (use-after-free in substr_replace()). (CVE-2011-1148)
Upstream announce for 5.3.8:
http://www.php.net/archive/2011.php#id2011-08-23-1
Upstream announce for 5.3.7:
http://www.php.net/archive/2011.php#id2011-08-18-1
Full Changelog: http://www.php.net/ChangeLog-5.php#5.3.8
php package now provides both apache modules (for prefork and worker MPM).
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References:
[ 1 ] Bug #715025 - CVE-2011-2483 crypt_blowfish: 8-bit character mishandling
allows different password pairs to produce the same hash
https://bugzilla.redhat.com/show_bug.cgi?id=715025
[ 2 ] Bug #713194 - CVE-2011-2202 php: file path injection vulnerability in
RFC1867 file upload filename
https://bugzilla.redhat.com/show_bug.cgi?id=713194
[ 3 ] Bug #709067 - CVE-2011-1938 php: stack-based buffer overflow in
socket_connect()
https://bugzilla.redhat.com/show_bug.cgi?id=709067
[ 4 ] Bug #688958 - CVE-2011-1148 php: use-after-free vulnerability in
substr_replace()
https://bugzilla.redhat.com/show_bug.cgi?id=688958
[ 5 ] Bug #732516 - CVE-2011-3182 PHP multiple NULL pointer dereferences
https://bugzilla.redhat.com/show_bug.cgi?id=732516
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This update can be installed with the "yum" update program. Use
su -c 'yum update php' at the command line.
For more information, refer to "Managing Software with yum",
available at http://docs.fedoraproject.org/yum/.
All packages are signed with the Fedora Project GPG key. More details on the
GPG keys used by the Fedora Project can be found at
https://fedoraproject.org/keys
--------------------------------------------------------------------------------
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