[USN-4097-2] PHP vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-4097-2
August 13, 2019

php5 vulnerabilities
==========================================================================

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

PHP could be made to crash or execute arbitrary code if it
received specially crafted image.

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

Details:

USN-4097-1 fixed several vulnerabilities in php5. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

 It was discovered that PHP incorrectly handled certain images.
 An attacker could possibly use this issue to cause a denial of service
 or execute arbitrary code. (CVE-2019-11041, CVE-2019-11042)

Update instructions:

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

Ubuntu 14.04 ESM:
  libapache2-mod-php5             5.5.9+dfsg-1ubuntu4.29+esm5
  php5-cgi                        5.5.9+dfsg-1ubuntu4.29+esm5
  php5-cli                        5.5.9+dfsg-1ubuntu4.29+esm5
  php5-fpm                        5.5.9+dfsg-1ubuntu4.29+esm5
  php5-xmlrpc                     5.5.9+dfsg-1ubuntu4.29+esm5

Ubuntu 12.04 ESM:
  libapache2-mod-php5             5.3.10-1ubuntu3.39
  php5-cgi                        5.3.10-1ubuntu3.39
  php5-cli                        5.3.10-1ubuntu3.39
  php5-fpm                        5.3.10-1ubuntu3.39
  php5-xmlrpc                     5.3.10-1ubuntu3.39

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

References:
  https://usn.ubuntu.com/4097-2
  https://usn.ubuntu.com/4097-1
  CVE-2019-11041, CVE-2019-11042
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