USN-3646-1: PHP vulnerabilities
14 May 2018
Several security issues were fixed in PHP.
Releases
Packages
- php5 - HTML-embedded scripting language interpreter
- php7.0 - HTML-embedded scripting language interpreter
- php7.1 - HTML-embedded scripting language interpreter
- php7.2 - HTML-embedded scripting language interpreter
Details
It was discovered that PHP incorrectly handled opcache access controls
when configured to use PHP-FPM. A local user could possibly use this issue
to obtain sensitive information from another user's PHP applications.
(CVE-2018-10545)
It was discovered that the PHP iconv stream filter incorrect handled
certain invalid multibyte sequences. A remote attacker could possibly use
this issue to cause PHP to hang, resulting in a denial of service.
(CVE-2018-10546)
It was discovered that the PHP PHAR error pages incorrectly filtered
certain data. A remote attacker could possibly use this issue to perform
a reflected XSS attack. (CVE-2018-10547)
It was discovered that PHP incorrectly handled LDAP. A malicious remote
LDAP server could possibly use this issue to cause PHP to crash, resulting
in a denial of service. (CVE-2018-10548)
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. This issue only affected Ubuntu
16.04 LTS, Ubuntu 17.10, and Ubuntu 18.04 LTS. (CVE-2018-10549)
Update instructions
The problem can be corrected by updating your system to the following package versions:
Ubuntu 18.04
-
libapache2-mod-php7.2
-
7.2.5-0ubuntu0.18.04.1
-
php7.2-cgi
-
7.2.5-0ubuntu0.18.04.1
-
php7.2-cli
-
7.2.5-0ubuntu0.18.04.1
-
php7.2-fpm
-
7.2.5-0ubuntu0.18.04.1
Ubuntu 17.10
-
libapache2-mod-php7.1
-
7.1.17-0ubuntu0.17.10.1
-
php7.1-cgi
-
7.1.17-0ubuntu0.17.10.1
-
php7.1-cli
-
7.1.17-0ubuntu0.17.10.1
-
php7.1-fpm
-
7.1.17-0ubuntu0.17.10.1
Ubuntu 16.04
-
libapache2-mod-php7.0
-
7.0.30-0ubuntu0.16.04.1
-
php7.0-cgi
-
7.0.30-0ubuntu0.16.04.1
-
php7.0-cli
-
7.0.30-0ubuntu0.16.04.1
-
php7.0-fpm
-
7.0.30-0ubuntu0.16.04.1
Ubuntu 14.04
-
libapache2-mod-php5
-
5.5.9+dfsg-1ubuntu4.25
-
php5-cgi
-
5.5.9+dfsg-1ubuntu4.25
-
php5-cli
-
5.5.9+dfsg-1ubuntu4.25
-
php5-fpm
-
5.5.9+dfsg-1ubuntu4.25
In Ubuntu 16.04 LTS, Ubuntu 17.10, 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.