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AUSCERT External Security Bulletin Redistribution
ESB-2018.0796
PHP vulnerabilities
20 March 2018
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AusCERT Security Bulletin Summary
---------------------------------
Product: php5
php7.0
php7.1
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
Cross-site Scripting -- Remote with User Interaction
Provide Misleading Information -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-7584 CVE-2018-5712 CVE-2016-10712
Reference: ESB-2018.0433
Original Bulletin:
http://www.ubuntu.com/usn/usn-3600-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running libapache2-mod-php7.1 check for an updated version of the
software for their operating system.
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USN-3600-1: PHP vulnerabilities
19 March 2018
php5, php7.0, php7.1 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 17.10
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
Summary
Several security issues were fixed in PHP.
Software Description
php7.1 - HTML-embedded scripting language interpreter
php7.0 - HTML-embedded scripting language interpreter
php5 - HTML-embedded scripting language interpreter
Details
It was discovered that PHP incorrectly handled certain stream metadata. A
remote attacker could possibly use this issue to set arbitrary metadata. This
issue only affected Ubuntu 14.04 LTS. (CVE-2016-10712)
It was discovered that PHP incorrectly handled the PHAR 404 error page. A
remote attacker could possibly use this issue to conduct cross-site scripting
(XSS) attacks. This issue only affected Ubuntu 16.04 LTS and Ubuntu 17.10.
(CVE-2018-5712)
It was discovered that PHP incorrectly handled parsing certain HTTP responses.
A remote attacker could use this issue to cause PHP to crash, resulting in a
denial of service, or possibly execute arbitrary code. (CVE-2018-7584)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 17.10
libapache2-mod-php7.1 - 7.1.15-0ubuntu0.17.10.1
php7.1-cgi - 7.1.15-0ubuntu0.17.10.1
php7.1-cli - 7.1.15-0ubuntu0.17.10.1
php7.1-fpm - 7.1.15-0ubuntu0.17.10.1
Ubuntu 16.04 LTS
libapache2-mod-php7.0 - 7.0.28-0ubuntu0.16.04.1
php7.0-cgi - 7.0.28-0ubuntu0.16.04.1
php7.0-cli - 7.0.28-0ubuntu0.16.04.1
php7.0-fpm - 7.0.28-0ubuntu0.16.04.1
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.24
php5-cgi - 5.5.9+dfsg-1ubuntu4.24
php5-cli - 5.5.9+dfsg-1ubuntu4.24
php5-fpm - 5.5.9+dfsg-1ubuntu4.24
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In Ubuntu 16.04 LTS and Ubuntu 17.10, this update uses a new upstream
release, which includes additional bug fixes.
In general, a standard system update will make all the necessary changes.
References
CVE-2016-10712
CVE-2018-5712
CVE-2018-7584
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