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Ubuntu Security Notice USN-3902-2
March 12, 2019
php5 vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 12.04 ESM
Summary:
Several security issues were fixed in PHP.
Software Description:
– php5: HTML-embedded scripting language interpreter
Details:
USN-3902-1 fixed a vulnerability in PHP. This update provides
the corresponding update for Ubuntu 12.04 ESM.
Original advisory 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 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 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.33
php5-cgi 5.3.10-1ubuntu3.33
php5-cli 5.3.10-1ubuntu3.33
php5-fpm 5.3.10-1ubuntu3.33
php5-xmlrpc 5.3.10-1ubuntu3.33
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3902-2
https://usn.ubuntu.com/usn/usn-3902-1
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