Ubuntu Security Notice 2254-1 - Christian Hoffmann discovered that the PHP FastCGI Process Manager (FPM) set incorrect permissions on the UNIX socket. A local attacker could use this issue to possibly elevate their privileges. This issue only affected Ubuntu 12.04 LTS, Ubuntu 13.10, and Ubuntu 14.04 LTS. Francisco Alonso discovered that the PHP Fileinfo component incorrectly handled certain CDF documents. A remote attacker could use this issue to cause PHP to hang or crash, resulting in a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice USN-2254-1
June 23, 2014
php5 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 14.04 LTS
- Ubuntu 13.10
- Ubuntu 12.04 LTS
- Ubuntu 10.04 LTS
Summary:
Several security issues were fixed in PHP.
Software Description:
- php5: HTML-embedded scripting language interpreter
Details:
Christian Hoffmann discovered that the PHP FastCGI Process Manager (FPM)
set incorrect permissions on the UNIX socket. A local attacker could use
this issue to possibly elevate their privileges. This issue only affected
Ubuntu 12.04 LTS, Ubuntu 13.10, and Ubuntu 14.04 LTS. (CVE-2014-0185)
Francisco Alonso discovered that the PHP Fileinfo component incorrectly
handled certain CDF documents. A remote attacker could use this issue to
cause PHP to hang or crash, resulting in a denial of service.
(CVE-2014-0237, CVE-2014-0238)
Stefan Esser discovered that PHP incorrectly handled DNS TXT records. A
remote attacker could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2014-4049)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.04 LTS:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.1
php5-cgi 5.5.9+dfsg-1ubuntu4.1
php5-cli 5.5.9+dfsg-1ubuntu4.1
php5-fpm 5.5.9+dfsg-1ubuntu4.1
Ubuntu 13.10:
libapache2-mod-php5 5.5.3+dfsg-1ubuntu2.4
php5-cgi 5.5.3+dfsg-1ubuntu2.4
php5-cli 5.5.3+dfsg-1ubuntu2.4
php5-fpm 5.5.3+dfsg-1ubuntu2.4
Ubuntu 12.04 LTS:
libapache2-mod-php5 5.3.10-1ubuntu3.12
php5-cgi 5.3.10-1ubuntu3.12
php5-cli 5.3.10-1ubuntu3.12
php5-fpm 5.3.10-1ubuntu3.12
Ubuntu 10.04 LTS:
libapache2-mod-php5 5.3.2-1ubuntu4.25
php5-cgi 5.3.2-1ubuntu4.25
php5-cli 5.3.2-1ubuntu4.25
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2254-1
CVE-2014-0185, CVE-2014-0237, CVE-2014-0238, CVE-2014-4049
Package Information:
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.1
https://launchpad.net/ubuntu/+source/php5/5.5.3+dfsg-1ubuntu2.4
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.12
https://launchpad.net/ubuntu/+source/php5/5.3.2-1ubuntu4.25