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AUSCERT External Security Bulletin Redistribution
USN-4166-2: PHP vulnerability
30 October 2019
AusCERT Security Bulletin Summary
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
CVE Names: CVE-2019-11043
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USN-4166-2: PHP vulnerability
29 October 2019
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
PHP could be made to run programs if it received specially crafted network
o php5 - HTML-embedded scripting language interpreter
USN-4166-1 fixed a vulnerability in PHP. 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 paths when being used in
FastCGI configurations. A remote attacker could possibly use this issue to
execute arbitrary code.
The problem can be corrected by updating your system to the following package
Ubuntu 14.04 ESM
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.29+esm6
php5-cgi - 5.5.9+dfsg-1ubuntu4.29+esm6
php5-cli - 5.5.9+dfsg-1ubuntu4.29+esm6
php5-fpm - 5.5.9+dfsg-1ubuntu4.29+esm6
Ubuntu 12.04 ESM
libapache2-mod-php5 - 5.3.10-1ubuntu3.40
php5-cgi - 5.3.10-1ubuntu3.40
php5-cli - 5.3.10-1ubuntu3.40
php5-fpm - 5.3.10-1ubuntu3.40
To update your system, please follow these instructions: https://
In general, a standard system update will make all the necessary changes.
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