USN-3902-1: PHP vulnerabilities
php5, php7.0 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
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 the PHP XML-RPC module incorrectly handled decoding
XML data. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2019-9020, CVE-2019-9024)
It was discovered that the PHP PHAR module incorrectly handled certain
filenames. A remote attacker could possibly use this issue to cause PHP to
crash, resulting in a denial of service. (CVE-2019-9021)
It was discovered that PHP incorrectly parsed certain DNS responses. A
remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. This issue only affected Ubuntu 16.04
LTS. (CVE-2019-9022)
It was discovered that PHP incorrectly handled mbstring regular
expressions. A remote attacker could possibly use this issue to cause PHP
to crash, resulting in a denial of service. (CVE-2019-9023)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 16.04 LTS
- libapache2-mod-php7.0 – 7.0.33-0ubuntu0.16.04.2
- php7.0-cgi – 7.0.33-0ubuntu0.16.04.2
- php7.0-cli – 7.0.33-0ubuntu0.16.04.2
- php7.0-fpm – 7.0.33-0ubuntu0.16.04.2
- php7.0-mbstring – 7.0.33-0ubuntu0.16.04.2
- php7.0-xmlrpc – 7.0.33-0ubuntu0.16.04.2
- Ubuntu 14.04 LTS
- libapache2-mod-php5 – 5.5.9+dfsg-1ubuntu4.27
- php5-cgi – 5.5.9+dfsg-1ubuntu4.27
- php5-cli – 5.5.9+dfsg-1ubuntu4.27
- php5-fpm – 5.5.9+dfsg-1ubuntu4.27
- php5-xmlrpc – 5.5.9+dfsg-1ubuntu4.27
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
References
Source: USN-3902-1: PHP vulnerabilities
