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Ubuntu 16.04 LTS USN-3045-1 Critical: PHP Remote Attack Risk

ubuntu
Calendar Grey August 2, 2016
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Several vulnerabilities within PHP found in Ubuntu releases may permit remote adversaries to gain unauthorized access or lead to service interruptions.
Several security issues were fixed in PHP.

Summary

Several security issues were fixed in PHP.

Software Description:

- php7.0: HTML-embedded scripting language interpreter

- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that PHP incorrectly handled certain SplMinHeap::compare

operations. A remote attacker could use this issue to cause PHP to crash,

resulting in a denial of service, or possibly execute arbitrary code. This

issue only affected Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. (CVE-2015-4116)

It was discovered that PHP incorrectly handled recursive method calls. A

remote attacker could use this issue to cause PHP to crash, resulting in a

denial of service. This issue only affected Ubuntu 12.04 LTS and Ubuntu

14.04 LTS. (CVE-2015-8873)

It was discovered that PHP incorrectly validated certain Exception objects

when unserializing data. A remote attacker could use this issue to cause

PHP to crash, resulting in a denial of service, or possibly execute

arbitrary code. This issu...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update critical php remote attack ubuntu

Update Instructions

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

Ubuntu 16.04 LTS:
  libapache2-mod-php7.0           7.0.8-0ubuntu0.16.04.2
  php7.0-cgi                      7.0.8-0ubuntu0.16.04.2
  php7.0-cli                      7.0.8-0ubuntu0.16.04.2
  php7.0-fpm                      7.0.8-0ubuntu0.16.04.2

Ubuntu 14.04 LTS:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.19
  php5-cgi                        5.5.9+dfsg-1ubuntu4.19
  php5-cli                        5.5.9+dfsg-1ubuntu4.19
  php5-fpm                        5.5.9+dfsg-1ubuntu4.19

Ubuntu 12.04 LTS:
  libapache2-mod-php5             5.3.10-1ubuntu3.24
  php5-cgi                        5.3.10-1ubuntu3.24
  php5-cli                        5.3.10-1ubuntu3.24
  php5-fpm                        5.3.10-1ubuntu3.24

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

References

https://ubuntu.com/security/notices/USN-3045-1

CVE-2015-4116, CVE-2015-8873, CVE-2015-8876, CVE-2015-8935,

CVE-2016-5093, CVE-2016-5094, CVE-2016-5095, CVE-2016-5096,

CVE-2016-5114, CVE-2016-5385, CVE-2016-5399, CVE-2016-5768,

CVE-2016-5769, CVE-2016-5771, CVE-2016-5772, CVE-2016-5773,

CVE-2016-6288, CVE-2016-6289, CVE-2016-6290, CVE-2016-6291,

CVE-2016-6292, CVE-2016-6294, CVE-2016-6295, CVE-2016-6296,

CVE-2016-6297

Severity
critical
Lowest
Low
Medium
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Critical

August 02, 2016

Topics%20covered

Topics Covered

security advisory denial of service update critical php remote attack ubuntu

Package Information

https://launchpad.net/ubuntu/+source/php7.0/7.0.8-0ubuntu0.16.04.2
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.19
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.24

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