Detalji

Ispravljeno je više sigurnosnih ranjivosti programskog paketa PHP, distribuiranog s operacijskim sustavom Fedora 15. PHP je skriptni programski jezik koji se koristi za razvoj dinamičkih web stranica. Propusti su vezani uz cjelobrojno prepisivanje (eng. integer overflow) u "ext/shmop/shmop.c", pogrešnu obradu podataka u "exif.c", itd. Udaljenom napadaču omogućuju napad uskraćivanjem usluga (eng. Denial of Service), čitanje povjerljivih podataka iz memorije te izvršavanje proizvoljnog programskog koda. Svim korisnicima navedenog programskog paketa preporuča se njegova nadogradnja u svrhu zaštite sigurnosti. 

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Fedora Update Notification
FEDORA-2011-3614
2011-03-19 05:35:10
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Name        : php
Product     : Fedora 15
Version     : 5.3.6
Release     : 1.fc15
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 in PHP 5.3.6:
* Enforce security in the fastcgi protocol parsing with fpm SAPI.
* Fixed bug #54247 (format-string vulnerability on Phar). (CVE-2011-1153)
* Fixed bug #54193 (Integer overflow in shmop_read()). (CVE-2011-1092)
* Fixed bug #54055 (buffer overrun with high values for precision ini
setting).
* Fixed bug #54002 (crash on crafted tag in exif). (CVE-2011-0708)
* Fixed bug #53885 (ZipArchive segfault with FL_UNCHANGED on empty archive).
(CVE-2011-0421)

Full upstream changelog :
http://php.net/ChangeLog-5.php#5.3.6
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References:

  [ 1 ] Bug #688378 - CVE-2011-1153 php: several format string vulnerabilities
in PHP's Phar extension
        https://bugzilla.redhat.com/show_bug.cgi?id=688378
  [ 2 ] Bug #680972 - CVE-2011-0708 php: buffer over-read in Exif extension
        https://bugzilla.redhat.com/show_bug.cgi?id=680972
  [ 3 ] Bug #688735 - CVE-2011-0421 php/libzip: segfault with FL_UNCHANGED on
empty archive in zip_name_locate()
        https://bugzilla.redhat.com/show_bug.cgi?id=688735
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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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