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Ubuntu Security Notice USN-4239-1

Ubuntu Security Notice USN-4239-1
Posted Jan 15, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4239-1 - It was discovered that PHP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. It was discovered that PHP incorrectly handled certain images. An attacker could possibly use this issue to access sensitive information. Various other issues were also addressed.

tags | advisory, denial of service, php
systems | linux, ubuntu
advisories | CVE-2019-11045, CVE-2019-11046
MD5 | 012a05d335b6979994cbc66683861124

Ubuntu Security Notice USN-4239-1

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4239-1
January 15, 2020

php5, php7.0, php7.2, php7.3 vulnerabilities
=========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 19.10
- Ubuntu 19.04
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in PHP.

Software Description:
- php7.3: server-side, HTML-embedded scripting language (metapackage)
- 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 certain files. An attacker
could possibly use this issue to cause a denial of service. This issue only affected
Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. (CVE-2019-11045)

It was discovered that PHP incorrectly handled certain inputs. An attacker
could possibly use this issue to expose sensitive information.
(CVE-2019-11046)

It was discovered that PHP incorrectly handled certain images. An attacker
could possibly use this issue to access sensitive information.
(CVE-2019-11047, CVE-2019-11050)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 19.10:
libapache2-mod-php7.3 7.3.11-0ubuntu0.19.10.2
php7.3-bcmath 7.3.11-0ubuntu0.19.10.2
php7.3-cgi 7.3.11-0ubuntu0.19.10.2
php7.3-cli 7.3.11-0ubuntu0.19.10.2
php7.3-fpm 7.3.11-0ubuntu0.19.10.2
php7.3-mbstring 7.3.11-0ubuntu0.19.10.2
php7.3-xmlrpc 7.3.11-0ubuntu0.19.10.2

Ubuntu 19.04:
libapache2-mod-php7.2 7.2.24-0ubuntu0.19.04.2
php7.2-bcmath 7.2.24-0ubuntu0.19.04.2
php7.2-cgi 7.2.24-0ubuntu0.19.04.2
php7.2-cli 7.2.24-0ubuntu0.19.04.2
php7.2-fpm 7.2.24-0ubuntu0.19.04.2
php7.2-mbstring 7.2.24-0ubuntu0.19.04.2
php7.2-xmlrpc 7.2.24-0ubuntu0.19.04.2

Ubuntu 18.04 LTS:
libapache2-mod-php7.2 7.2.24-0ubuntu0.18.04.2
php7.2-bcmath 7.2.24-0ubuntu0.18.04.2
php7.2-cgi 7.2.24-0ubuntu0.18.04.2
php7.2-cli 7.2.24-0ubuntu0.18.04.2
php7.2-fpm 7.2.24-0ubuntu0.18.04.2
php7.2-mbstring 7.2.24-0ubuntu0.18.04.2
php7.2-xmlrpc 7.2.24-0ubuntu0.18.04.2

Ubuntu 16.04 LTS:
libapache2-mod-php7.0 7.0.33-0ubuntu0.16.04.9
php7.0-bcmath 7.0.33-0ubuntu0.16.04.9
php7.0-cgi 7.0.33-0ubuntu0.16.04.9
php7.0-cli 7.0.33-0ubuntu0.16.04.9
php7.0-fpm 7.0.33-0ubuntu0.16.04.9
php7.0-mbstring 7.0.33-0ubuntu0.16.04.9
php7.0-xmlrpc 7.0.33-0ubuntu0.16.04.9

Ubuntu 14.04 ESM:
libapache2-mod-php5 5.5.9+dfsg-1ubuntu4.29+esm8
php5-cgi 5.5.9+dfsg-1ubuntu4.29+esm8
php5-cli 5.5.9+dfsg-1ubuntu4.29+esm8
php5-fpm 5.5.9+dfsg-1ubuntu4.29+esm8
php5-xmlrpc 5.5.9+dfsg-1ubuntu4.29+esm8

Ubuntu 12.04 ESM:
libapache2-mod-php5 5.3.10-1ubuntu3.42
php5-cgi 5.3.10-1ubuntu3.42
php5-cli 5.3.10-1ubuntu3.42
php5-fpm 5.3.10-1ubuntu3.42
php5-xmlrpc 5.3.10-1ubuntu3.42

In general, a standard system update will make all the necessary changes.

References:
https://usn.ubuntu.com/4239-1
CVE-2019-11045, CVE-2019-11046, CVE-2019-11047, CVE-2019-11050

Package Information:
https://launchpad.net/ubuntu/+source/php7.3/7.3.11-0ubuntu0.19.10.2
https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.19.04.2
https://launchpad.net/ubuntu/+source/php7.2/7.2.24-0ubuntu0.18.04.2
https://launchpad.net/ubuntu/+source/php7.0/7.0.33-0ubuntu0.16.04.9
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