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[USN-2758-1] PHP vulnerabilities

Posted on 30 September 2015
Ubuntu Security

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Ubuntu Security Notice USN-2758-1
September 30, 2015

php5 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 15.04
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in PHP.

Software Description:
- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that the PHP phar extension incorrectly handled certain=

files. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2015-5589)

It was discovered that the PHP phar extension incorrectly handled certain=

filepaths. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-5590)

Taoguang Chen discovered that PHP incorrectly handled unserializing
objects. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-6831, CVE-2015-6834, CVE-2015-6835

Sean Heelan discovered that PHP incorrectly handled unserializing
objects. A remote attacker could use this issue to cause PHP to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-6832)

It was discovered that the PHP phar extension incorrectly handled certain=

archives. A remote attacker could use this issue to cause files to be
placed outside of the destination directory. (CVE-2015-6833)

Andrea Palazzo discovered that the PHP Soap client incorrectly validated
data types. A remote attacker could use this issue to cause PHP to crash,=

resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2015-6836)

It was discovered that the PHP XSLTProcessor class incorrectly handled
certain data. A remote attacker could use this issue to cause PHP to cras=
h,
resulting in a denial of service. (CVE-2015-6837)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 15.04:
libapache2-mod-php5 5.6.4+dfsg-4ubuntu6.3
php5-cgi 5.6.4+dfsg-4ubuntu6.3
php5-cli 5.6.4+dfsg-4ubuntu6.3
php5-fpm 5.6.4+dfsg-4ubuntu6.3

Ubuntu 14.04 LTS:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.13
php5-cgi 5.5.9+dfsg-1ubuntu4.13
php5-cli 5.5.9+dfsg-1ubuntu4.13
php5-fpm 5.5.9+dfsg-1ubuntu4.13

Ubuntu 12.04 LTS:
libapache2-mod-php5 5.3.10-1ubuntu3.20
php5-cgi 5.3.10-1ubuntu3.20
php5-cli 5.3.10-1ubuntu3.20
php5-fpm 5.3.10-1ubuntu3.20

In general, a standard system update will make all the necessary changes.=


References:
http://www.ubuntu.com/usn/usn-2758-1
CVE-2015-5589, CVE-2015-5590, CVE-2015-6831, CVE-2015-6832,
CVE-2015-6833, CVE-2015-6834, CVE-2015-6835, CVE-2015-6836,
CVE-2015-6837, CVE-2015-6838

Package Information:
https://launchpad.net/ubuntu/+source/php5/5.6.4+dfsg-4ubuntu6.3
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.13
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.20

 

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