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Ubuntu Security Notice USN-4088-1
August 07, 2019
php5 vulnerability
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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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