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Ubuntu Security Notice USN-4088-1

Ubuntu Security Notice USN-4088-1
Posted Aug 7, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4088-1 - It was discovered that PHP incorrectly handled certain regular expressions. An attacker could possibly use this issue to expose sensitive information, cause a denial of service or execute arbitrary code.

tags | advisory, denial of service, arbitrary, php
systems | linux, ubuntu
advisories | CVE-2019-13224
MD5 | ed4b58bc7094ad86318294e6a345fed2

Ubuntu Security Notice USN-4088-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4088-1
August 07, 2019

php5 vulnerability
=========================================================================
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 denial of service, expose sensitive information
or execute arbitrary code if it received a specially crafted regular
expression.

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

Details:

It was discovered that PHP incorrectly handled certain regular expressions.
An attacker could possibly use this issue to expose sensitive information,
cause a denial of service or execute arbitrary code.

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+esm4
php5-cgi 5.5.9+dfsg-1ubuntu4.29+esm4
php5-cli 5.5.9+dfsg-1ubuntu4.29+esm4
php5-fpm 5.5.9+dfsg-1ubuntu4.29+esm4
php5-xmlrpc 5.5.9+dfsg-1ubuntu4.29+esm4

Ubuntu 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.38
php5-cgi 5.3.10-1ubuntu3.38
php5-cli 5.3.10-1ubuntu3.38
php5-fpm 5.3.10-1ubuntu3.38
php5-xmlrpc 5.3.10-1ubuntu3.38

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

References:
https://usn.ubuntu.com/4088-1
CVE-2019-13224

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