Detalji

U radu programskog paketa php-eaccelerator uočene su četiri sigurnosne nepravilnosti. Riječ je o paketu koji omogućuje optimizaciju i ubrzanje izvođenja PHP skripti. Nepravilnosti se odnose na način obrade znakovnih tipova podataka u komponenti "Phar" koja može rezultirati nepravilnostima u korištenju memorije. Pojava prepisivanja cjelobrojne vrijednosti je uočena u "Exif" komponenti, a posljednja ranjivost je uzrokovana funkcijom "ZipArchive()". Napadač može iskoristiti propuste kako bi izveo napad uskraćivanjem usluga, pokrenuo proizvoljan programski kod ili pristupio osjetljivim informacijama. Savjetuje se korištenje nove inačice paketa.

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Fedora Update Notification
FEDORA-2011-3614
2011-03-19 05:35:10
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Name        : php-eaccelerator
Product     : Fedora 15
Version     : 0.9.6.1
Release     : 6.fc15
URL         : http://eaccelerator.net/
Summary     : PHP accelerator, optimizer, encoder and dynamic content cacher
Description :
eAccelerator is a further development of the MMCache PHP Accelerator &
Encoder.
It increases performance of PHP scripts by caching them in compiled state, so
that the overhead of compiling is almost completely eliminated.

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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-eaccelerator' 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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