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AUSCERT External Security Bulletin Redistribution
ESB-2018.2788.2
PHP vulnerabilities
21 September 2018
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AusCERT Security Bulletin Summary
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Product: php5
php7.0
php7.2
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2018-14883 CVE-2018-14851 CVE-2015-9253
Reference: ESB-2018.2390
ESB-2018.2390
Original Bulletin:
http://www.ubuntu.com/usn/usn-3766-1
http://www.ubuntu.com/usn/usn-3766-2
Revision History: September 21 2018: Added bulletin for 12.04ESM
September 19 2018: Initial Release
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USN-3766-1: PHP vulnerabilities
18 September 2018
php5, php7.0, php7.2 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
Ubuntu 18.04 LTS
Ubuntu 16.04 LTS
Ubuntu 14.04 LTS
Summary
Several security issues were fixed in PHP.
Software Description
php7.2 - 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 restarting certain child processes
when php-fpm is used. A remote attacker could possibly use this issue to cause a
denial of service. This issue was only addressed in Ubuntu 18.04 LTS. (CVE-2015-9253)
It was discovered that PHP incorrectly handled certain exif tags in JPEG images.
A remote attacker could possibly use this issue to cause PHP to crash, resulting
in a denial of service. (CVE-2018-14851, CVE-2018-14883)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04 LTS
libapache2-mod-php7.2 - 7.2.10-0ubuntu0.18.04.1
php7.2-cgi - 7.2.10-0ubuntu0.18.04.1
php7.2-cli - 7.2.10-0ubuntu0.18.04.1
php7.2-fpm - 7.2.10-0ubuntu0.18.04.1
Ubuntu 16.04 LTS
libapache2-mod-php7.0 - 7.0.32-0ubuntu0.16.04.1
php7.0-cgi - 7.0.32-0ubuntu0.16.04.1
php7.0-cli - 7.0.32-0ubuntu0.16.04.1
php7.0-fpm - 7.0.32-0ubuntu0.16.04.1
Ubuntu 14.04 LTS
libapache2-mod-php5 - 5.5.9+dfsg-1ubuntu4.26
php5-cgi - 5.5.9+dfsg-1ubuntu4.26
php5-cli - 5.5.9+dfsg-1ubuntu4.26
php5-fpm - 5.5.9+dfsg-1ubuntu4.26
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In Ubuntu 16.04 LTS and Ubuntu 18.04 LTS, 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-2015-9253
CVE-2018-14851
CVE-2018-14883
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USN-3766-2: PHP vulnerabilities
19 September 2018
php5 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in PHP.
Software Description
o php5 - HTML-embedded scripting language interpreter
Details
USN-3766-1 fixed a vulnerability in PHP. This update provides the corresponding
update for Ubuntu 12.04 ESM.
Original advisory details:
It was discovered that PHP incorrectly handled certain exif tags in JPEG
images. A remote attacker could possibly use this issue to cause PHP to crash,
resulting in a denial of service. (CVE-2018-14851, CVE-2018-14883)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 12.04 ESM
libapache2-mod-php5 - 5.3.10-1ubuntu3.32
php5-cgi - 5.3.10-1ubuntu3.32
php5-cli - 5.3.10-1ubuntu3.32
php5-fpm - 5.3.10-1ubuntu3.32
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
o USN-3766-1
o CVE-2018-14851
o CVE-2018-14883
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