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Ubuntu 15.10 USN-2952-1 Critical: PHP Remote Code Execution Threat

ubuntu
Calendar Grey April 21, 2016
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Several vulnerabilities related to PHP addressed in Ubuntu versions 15.10, 14.04 LTS, and 12.04 LTS. It is recommended to update your system to bolster its security.
Several security issues were fixed in PHP.

Summary

Several security issues were fixed in PHP.

Software Description:

- php5: HTML-embedded scripting language interpreter

Details:

It was discovered that the PHP Zip extension incorrectly handled

directories when processing certain zip files. A remote attacker could

possibly use this issue to create arbitrary directories. (CVE-2014-9767)

It was 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-2015-8835, CVE-2016-3185)

It was discovered that the PHP MySQL native driver incorrectly handled TLS

connections to MySQL databases. A man in the middle attacker could possibly

use this issue to downgrade and snoop on TLS connections. This

vulnerability is known as BACKRONYM. (CVE-2015-8838)

It was discovered that PHP incorrectly handled the imagerotate function. A

remote attacker could use this issue to cause PHP...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical issue php remote code execution ubuntu

Update Instructions

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

Ubuntu 15.10:
  libapache2-mod-php5             5.6.11+dfsg-1ubuntu3.2
  php5-cgi                        5.6.11+dfsg-1ubuntu3.2
  php5-cli                        5.6.11+dfsg-1ubuntu3.2
  php5-fpm                        5.6.11+dfsg-1ubuntu3.2
  php5-gd                         5.6.11+dfsg-1ubuntu3.2
  php5-mysqlnd                    5.6.11+dfsg-1ubuntu3.2
  php5-snmp                       5.6.11+dfsg-1ubuntu3.2

Ubuntu 14.04 LTS:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.16
  php5-cgi                        5.5.9+dfsg-1ubuntu4.16
  php5-cli                        5.5.9+dfsg-1ubuntu4.16
  php5-fpm                        5.5.9+dfsg-1ubuntu4.16
  php5-gd                         5.5.9+dfsg-1ubuntu4.16
  php5-mysqlnd                    5.5.9+dfsg-1ubuntu4.16
  php5-snmp                       5.5.9+dfsg-1ubuntu4.16

Ubuntu 12.04 LTS:
  libapache2-mod-php5             5.3.10-1ubuntu3.22
  php5-cgi                        5.3.10-1ubuntu3.22
  php5-cli                        5.3.10-1ubuntu3.22
  php5-fpm                        5.3.10-1ubuntu3.22
  php5-gd                         5.3.10-1ubuntu3.22
  php5-mysqlnd                    5.3.10-1ubuntu3.22
  php5-snmp                       5.3.10-1ubuntu3.22

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

References

https://ubuntu.com/security/notices/USN-2952-1

CVE-2014-9767, CVE-2015-8835, CVE-2015-8838, CVE-2016-1903,

CVE-2016-2554, CVE-2016-3141, CVE-2016-3142, CVE-2016-3185

Severity
critical
Lowest
Low
Medium
High
Critical

April 21, 2016

Topics%20covered

Topics Covered

security advisory denial of service critical issue php remote code execution ubuntu

Package Information

https://launchpad.net/ubuntu/+source/php5/5.6.11+dfsg-1ubuntu3.2
https://launchpad.net/ubuntu/+source/php5/5.5.9+dfsg-1ubuntu4.16
https://launchpad.net/ubuntu/+source/php5/5.3.10-1ubuntu3.22

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