U radu programskog paketa PHP primijećeno je više sigurnosnih nedostataka. Udaljeni napadači propuste mogu iskoristiti za zaobilaženje postavljenih ograničenja, proizvoljno izvršavanje programskog koda s povećanim ovlastima te napad uskraćivanjem usluge.
Paket:
PHP 5.3.x
Operacijski sustavi:
Fedora 17
Kritičnost:
6.5
Problem:
cjelobrojno prepisivanje, neodgovarajuće rukovanje datotekama, pogreška u programskoj funkciji, pogreška u programskoj komponenti, preljev međuspremnika
Ranjivosti su povezane s greškom u komponenti "sapi/cgi/cgi_main.c" i funkciji "crypt()", preljevom međuspremnika u funkciji "apache_request_headers" te cjelobrojnim prepisivanjem do kojeg dolazi prilikom obradbe TAR datoteka.
Posljedica:
Navedene probleme zlonamjeran korisnik može iskoristiti za zaobilaženje postavljenih ograničenja, proizvoljno izvršavanje programskog koda s privilegijama korisnika koji je pokrenuo program te napad uskraćivanjem usluga (eng. Denial of Service, DoS).
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Fedora Update Notification
FEDORA-2012-9490
2012-06-15 11:59:43
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Name : php
Product : Fedora 17
Version : 5.4.4
Release : 1.fc17
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.
--------------------------------------------------------------------------------
Update Information:
The PHP development team would like to announce the immediate availability of
PHP 5.4.4. All users of PHP are encouraged to upgrade to PHP 5.4.4.
The release fixes multiple security issues: A weakness in the DES implementation
of crypt and a heap overflow issue in the phar extension.
PHP 5.4.4 fixes over 30 bugs. Please note that the use of php://fd streams is
now restricted to the CLI SAPI
Changelog: http://www.php.net/ChangeLog-5.php#5.4.4
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ChangeLog:
* Thu Jun 14 2012 Remi Collet <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 5.4.4-1
- update to 5.4.4 finale
- use /usr/lib/tmpfiles.d instead of /etc/tmpfiles.d
- use /run/php-fpm instead of /var/run/php-fpm
* Wed May 9 2012 Remi Collet <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 5.4.3-1
- update to 5.4.3 (CVE-2012-2311, CVE-2012-2329)
* Thu May 3 2012 Remi Collet <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.> 5.4.2-1
- update to 5.4.2 (CVE-2012-1823)
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References:
[ 1 ] Bug #816956 - CVE-2012-2143 BSD crypt(): DES encrypted password weakness
https://bugzilla.redhat.com/show_bug.cgi?id=816956
[ 2 ] Bug #823594 - CVE-2012-2386 php: Integer overflow leading to heap-buffer
overflow in the Phar extension
https://bugzilla.redhat.com/show_bug.cgi?id=823594
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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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