Ubuntu 13.10: USN-2126-1 Critical: PHP Denial Of Service Issues

ubuntu

March 3, 2014

Several security issues were fixed in PHP.

Summary

Several security issues were fixed in PHP.

Software Description:

- php5: HTML-embedded scripting language interpreter

Details:

Bernd Melchers discovered that PHP's embedded libmagic library incorrectly

handled indirect offset values. An attacker could use this issue to cause

PHP to consume resources or crash, resulting in a denial of service.

(CVE-2014-1943)

It was discovered that PHP incorrectly handled certain values when using

the imagecrop function. An attacker could possibly use this issue to cause

PHP to crash, resulting in a denial of service, obtain sensitive

information, or possibly execute arbitrary code. This issue only affected

Ubuntu 13.10. (CVE-2013-7226, CVE-2013-7327, CVE-2013-7328, CVE-2014-2020)

Topics Covered

security advisory denial of service Ubuntu update instructions php5

Update Instructions

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

Ubuntu 13.10:
  libapache2-mod-php5             5.5.3+dfsg-1ubuntu2.2
  php5-cgi                        5.5.3+dfsg-1ubuntu2.2
  php5-cli                        5.5.3+dfsg-1ubuntu2.2
  php5-gd                         5.5.3+dfsg-1ubuntu2.2

Ubuntu 12.10:
  libapache2-mod-php5             5.4.6-1ubuntu1.7
  php5-cgi                        5.4.6-1ubuntu1.7
  php5-cli                        5.4.6-1ubuntu1.7
  php5-gd                         5.4.6-1ubuntu1.7

Ubuntu 12.04 LTS:
  libapache2-mod-php5             5.3.10-1ubuntu3.10
  php5-cgi                        5.3.10-1ubuntu3.10
  php5-cli                        5.3.10-1ubuntu3.10
  php5-gd                         5.3.10-1ubuntu3.10

Ubuntu 10.04 LTS:
  libapache2-mod-php5             5.3.2-1ubuntu4.23
  php5-cgi                        5.3.2-1ubuntu4.23
  php5-cli                        5.3.2-1ubuntu4.23
  php5-gd                         5.3.2-1ubuntu4.23

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